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57972097 = 198336761
BaseRepresentation
bin1101110100100…
…1010110000001
311001002021202201
43131021112001
5104320101342
65430313201
71302516601
oct335112601
9131067681
1057972097
112a7a6327
12174b8801
13c019c21
1479b0c01
155151db7
hex3749581

57972097 has 8 divisors (see below), whose sum is σ = 61760160. Its totient is φ = 54257760.

The previous prime is 57971981. The next prime is 57972107. The reversal of 57972097 is 79027975.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 57972097 - 211 = 57970049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57972797) 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, 16804 + ... + 19957.

It is an arithmetic number, because the mean of its divisors is an integer number (7720020).

Almost surely, 257972097 is an apocalyptic number.

It is an amenable number.

57972097 is a deficient number, since it is larger than the sum of its proper divisors (3788063).

57972097 is a wasteful number, since it uses less digits than its factorization.

57972097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36863.

The product of its (nonzero) digits is 277830, while the sum is 46.

The square root of 57972097 is about 7613.9409637848. The cubic root of 57972097 is about 387.0255799271.

The spelling of 57972097 in words is "fifty-seven million, nine hundred seventy-two thousand, ninety-seven".

Divisors: 1 19 83 1577 36761 698459 3051163 57972097