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57052426 = 234981737
BaseRepresentation
bin1101100110100…
…0110100001010
310222100120012211
43121220310022
5104101134201
65354455334
71261636414
oct331506412
9128316184
1057052426
112a228372
121713454a
13ba87442
1478119b4
15501e651
hex3668d0a

57052426 has 8 divisors (see below), whose sum is σ = 85824900. Its totient is φ = 28444128.

The previous prime is 57052423. The next prime is 57052441. The reversal of 57052426 is 62425075.

It can be written as a sum of positive squares in 2 ways, for example, as 56987401 + 65025 = 7549^2 + 255^2 .

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

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (57052423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40171 + ... + 41566.

Almost surely, 257052426 is an apocalyptic number.

57052426 is a deficient number, since it is larger than the sum of its proper divisors (28772474).

57052426 is a wasteful number, since it uses less digits than its factorization.

57052426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82088.

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

The square root of 57052426 is about 7553.3056339592. The cubic root of 57052426 is about 384.9680661656.

The spelling of 57052426 in words is "fifty-seven million, fifty-two thousand, four hundred twenty-six".

Divisors: 1 2 349 698 81737 163474 28526213 57052426