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57396874 = 228698437
BaseRepresentation
bin1101101011110…
…0111010001010
311000000001201011
43122330322022
5104143144444
65410114134
71264602553
oct332747212
9130001634
1057396874
112a443137
121727b94a
13bb78162
1478a132a
15508b734
hex36bce8a

57396874 has 4 divisors (see below), whose sum is σ = 86095314. Its totient is φ = 28698436.

The previous prime is 57396869. The next prime is 57396877. The reversal of 57396874 is 47869375.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44023225 + 13373649 = 6635^2 + 3657^2 .

It is a super-2 number, since 2×573968742 = 6588802289943752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (57396877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14349217 + ... + 14349220.

Almost surely, 257396874 is an apocalyptic number.

57396874 is a deficient number, since it is larger than the sum of its proper divisors (28698440).

57396874 is a wasteful number, since it uses less digits than its factorization.

57396874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28698439.

The product of its digits is 1270080, while the sum is 49.

The square root of 57396874 is about 7576.0724653345. The cubic root of 57396874 is about 385.7412469363.

The spelling of 57396874 in words is "fifty-seven million, three hundred ninety-six thousand, eight hundred seventy-four".

Divisors: 1 2 28698437 57396874