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57504041 = 721138933
BaseRepresentation
bin1101101101011…
…1000100101001
311000012111201022
43123113010221
5104210112131
65412302225
71265530160
oct333270451
9130174638
1057504041
112a506701
1217311975
13bbb4b7a
1478cc3d7
1550ad37b
hex36d7129

57504041 has 8 divisors (see below), whose sum is σ = 66032064. Its totient is φ = 49054320.

The previous prime is 57504019. The next prime is 57504043. The reversal of 57504041 is 14040575.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-57504041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57504041.

It is not an unprimeable number, because it can be changed into a prime (57504043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17990 + ... + 20943.

It is an arithmetic number, because the mean of its divisors is an integer number (8254008).

Almost surely, 257504041 is an apocalyptic number.

It is an amenable number.

57504041 is a deficient number, since it is larger than the sum of its proper divisors (8528023).

57504041 is a wasteful number, since it uses less digits than its factorization.

57504041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39151.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 57504041 is about 7583.1418950195. The cubic root of 57504041 is about 385.9811730730.

The spelling of 57504041 in words is "fifty-seven million, five hundred four thousand, forty-one".

Divisors: 1 7 211 1477 38933 272531 8214863 57504041