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57254260 = 2257408959
BaseRepresentation
bin1101101001101…
…0000101110100
310222201211002011
43122122011310
5104124114020
65403054004
71263440020
oct332320564
9128654064
1057254260
112a355a78
1217211304
13bb2827b
147865380
15505e35a
hex369a174

57254260 has 24 divisors (see below), whose sum is σ = 137410560. Its totient is φ = 19629984.

The previous prime is 57254237. The next prime is 57254261. The reversal of 57254260 is 6245275.

57254260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57254261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204340 + ... + 204619.

It is an arithmetic number, because the mean of its divisors is an integer number (5725440).

Almost surely, 257254260 is an apocalyptic number.

It is an amenable number.

57254260 is an abundant number, since it is smaller than the sum of its proper divisors (80156300).

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

57254260 is a wasteful number, since it uses less digits than its factorization.

57254260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408975 (or 408973 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 57254260 is about 7566.6544786980. The cubic root of 57254260 is about 385.4214982334.

The spelling of 57254260 in words is "fifty-seven million, two hundred fifty-four thousand, two hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 408959 817918 1635836 2044795 2862713 4089590 5725426 8179180 11450852 14313565 28627130 57254260