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48640800 = 25352131559
BaseRepresentation
bin1011100110001…
…1001100100000
310101112012122010
42321203030200
544423001200
64454312520
71130303625
oct271431440
9111465563
1048640800
112550260a
1214358740
13a100850
14666234c
15440c150
hex2e63320

48640800 has 144 divisors (see below), whose sum is σ = 170614080. Its totient is φ = 11965440.

The previous prime is 48640793. The next prime is 48640807. The reversal of 48640800 is 804684.

It is an interprime number because it is at equal distance from previous prime (48640793) and next prime (48640807).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48640807) 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 23 ways as a sum of consecutive naturals, for example, 30421 + ... + 31979.

It is an arithmetic number, because the mean of its divisors is an integer number (1184820).

Almost surely, 248640800 is an apocalyptic number.

48640800 is a gapful number since it is divisible by the number (40) 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 48640800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85307040).

48640800 is an abundant number, since it is smaller than the sum of its proper divisors (121973280).

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

48640800 is a wasteful number, since it uses less digits than its factorization.

48640800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 48640800 is about 6974.2956633627. The cubic root of 48640800 is about 365.0342120931.

The spelling of 48640800 in words is "forty-eight million, six hundred forty thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 32 39 40 48 50 52 60 65 75 78 80 96 100 104 120 130 150 156 160 195 200 208 240 260 300 312 325 390 400 416 480 520 600 624 650 780 800 975 1040 1200 1248 1300 1559 1560 1950 2080 2400 2600 3118 3120 3900 4677 5200 6236 6240 7795 7800 9354 10400 12472 15590 15600 18708 20267 23385 24944 31180 31200 37416 38975 40534 46770 49888 60801 62360 74832 77950 81068 93540 101335 116925 121602 124720 149664 155900 162136 187080 202670 233850 243204 249440 304005 311800 324272 374160 405340 467700 486408 506675 608010 623600 648544 748320 810680 935400 972816 1013350 1216020 1247200 1520025 1621360 1870800 1945632 2026700 2432040 3040050 3242720 3741600 4053400 4864080 6080100 8106800 9728160 12160200 16213600 24320400 48640800