Search a number
-
+
2542213100 = 225273137541
BaseRepresentation
bin1001011110000111…
…0001011111101100
320120011121210202202
42113201301133230
520201301304400
61100132241032
7116666312000
oct22741613754
96504553682
102542213100
111095016369
125ab470178
133168bc40b
141a18bc700
15ed2b84d5
hex978717ec

2542213100 has 144 divisors (see below), whose sum is σ = 6492292800. Its totient is φ = 863654400.

The previous prime is 2542213087. The next prime is 2542213139. The reversal of 2542213100 is 13122452.

It is a super-2 number, since 2×25422131002 = 12925694891623220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4698830 + ... + 4699370.

Almost surely, 22542213100 is an apocalyptic number.

2542213100 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 2542213100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3246146400).

2542213100 is an abundant number, since it is smaller than the sum of its proper divisors (3950079700).

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

2542213100 is a wasteful number, since it uses less digits than its factorization.

2542213100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2542213100 is about 50420.3639415663. The cubic root of 2542213100 is about 1364.8051442213.

Adding to 2542213100 its reverse (13122452), we get a palindrome (2555335552).

The spelling of 2542213100 in words is "two billion, five hundred forty-two million, two hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 49 50 70 98 100 137 140 175 196 245 274 343 350 490 541 548 685 686 700 959 980 1082 1225 1370 1372 1715 1918 2164 2450 2705 2740 3425 3430 3787 3836 4795 4900 5410 6713 6850 6860 7574 8575 9590 10820 13426 13525 13700 15148 17150 18935 19180 23975 26509 26852 27050 33565 34300 37870 46991 47950 53018 54100 67130 74117 75740 93982 94675 95900 106036 132545 134260 148234 167825 185563 187964 189350 234955 265090 296468 335650 370585 371126 378700 469910 518819 530180 662725 671300 741170 742252 927815 939820 1037638 1174775 1325450 1482340 1852925 1855630 2075276 2349550 2594095 2650900 3631733 3705850 3711260 4639075 4699100 5188190 7263466 7411700 9278150 10376380 12970475 14526932 18158665 18556300 25422131 25940950 36317330 50844262 51881900 72634660 90793325 101688524 127110655 181586650 254221310 363173300 508442620 635553275 1271106550 2542213100