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57253600 = 2552591213
BaseRepresentation
bin1101101001100…
…1111011100000
310222201210011201
43122121323200
5104124103400
65403050544
71263435055
oct332317340
9128653151
1057253600
112a355528
1217210a54
13bb27b91
14786502c
15505e06a
hex3699ee0

57253600 has 72 divisors (see below), whose sum is σ = 142256520. Its totient is φ = 22494720.

The previous prime is 57253583. The next prime is 57253607. The reversal of 57253600 is 635275.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57253607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46594 + ... + 47806.

It is an arithmetic number, because the mean of its divisors is an integer number (1975785).

Almost surely, 257253600 is an apocalyptic number.

57253600 is a gapful number since it is divisible by the number (50) 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 57253600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71128260).

57253600 is an abundant number, since it is smaller than the sum of its proper divisors (85002920).

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

57253600 is a wasteful number, since it uses less digits than its factorization.

57253600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 57253600 is about 7566.6108661672. The cubic root of 57253600 is about 385.4200172422.

Adding to 57253600 its reverse (635275), we get a palindrome (57888875).

The spelling of 57253600 in words is "fifty-seven million, two hundred fifty-three thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 59 80 100 118 160 200 236 295 400 472 590 800 944 1180 1213 1475 1888 2360 2426 2950 4720 4852 5900 6065 9440 9704 11800 12130 19408 23600 24260 30325 38816 47200 48520 60650 71567 97040 121300 143134 194080 242600 286268 357835 485200 572536 715670 970400 1145072 1431340 1789175 2290144 2862680 3578350 5725360 7156700 11450720 14313400 28626800 57253600