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2548138000 = 24533173563
BaseRepresentation
bin1001011111100001…
…1000000000010000
320120120202211012111
42113320120000100
520204310404000
61100503235104
7120100546522
oct22770300020
96516684174
102548138000
1110983a2881
125b1448a94
13317bb5185
141a25c1a12
15eda88cba
hex97e18010

2548138000 has 160 divisors (see below), whose sum is σ = 6458729472. Its totient is φ = 971136000.

The previous prime is 2548137997. The next prime is 2548138003. The reversal of 2548138000 is 8318452.

It is an interprime number because it is at equal distance from previous prime (2548137997) and next prime (2548138003).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (2548138003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4525719 + ... + 4526281.

Almost surely, 22548138000 is an apocalyptic number.

2548138000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2548138000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3229364736).

2548138000 is an abundant number, since it is smaller than the sum of its proper divisors (3910591472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2548138000 is a wasteful number, since it uses less digits than its factorization.

2548138000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2548138000 is about 50479.0847777572. The cubic root of 2548138000 is about 1365.8645964623.

The spelling of 2548138000 in words is "two billion, five hundred forty-eight million, one hundred thirty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 31 40 50 62 73 80 100 124 125 146 155 200 248 250 292 310 365 400 496 500 563 584 620 730 775 1000 1126 1168 1240 1460 1550 1825 2000 2252 2263 2480 2815 2920 3100 3650 3875 4504 4526 5630 5840 6200 7300 7750 9008 9052 9125 11260 11315 12400 14075 14600 15500 17453 18104 18250 22520 22630 28150 29200 31000 34906 36208 36500 41099 45040 45260 56300 56575 62000 69812 70375 73000 82198 87265 90520 112600 113150 139624 140750 146000 164396 174530 181040 205495 225200 226300 279248 281500 282875 328792 349060 410990 436325 452600 563000 565750 657584 698120 821980 872650 905200 1027475 1126000 1131500 1274069 1396240 1643960 1745300 2054950 2181625 2263000 2548138 3287920 3490600 4109900 4363250 4526000 5096276 5137375 6370345 6981200 8219800 8726500 10192552 10274750 12740690 16439600 17453000 20385104 20549500 25481380 31851725 34906000 41099000 50962760 63703450 82198000 101925520 127406900 159258625 254813800 318517250 509627600 637034500 1274069000 2548138000