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57472045 = 511494409
BaseRepresentation
bin1101101100111…
…1010000101101
311000010212211021
43123033100231
5104203101140
65411454141
71265334661
oct333172055
9130125737
1057472045
112a494664
12172b7351
13bba3437
1478c08a1
1550a3b4a
hex36cf42d

57472045 has 4 divisors (see below), whose sum is σ = 68966460. Its totient is φ = 45977632.

The previous prime is 57472039. The next prime is 57472057. The reversal of 57472045 is 54027475.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20529961 + 36942084 = 4531^2 + 6078^2 .

It is a cyclic number.

It is not a de Polignac number, because 57472045 - 225 = 23917613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57472045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5747200 + ... + 5747209.

It is an arithmetic number, because the mean of its divisors is an integer number (17241615).

Almost surely, 257472045 is an apocalyptic number.

It is an amenable number.

57472045 is a deficient number, since it is larger than the sum of its proper divisors (11494415).

57472045 is a wasteful number, since it uses less digits than its factorization.

57472045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11494414.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 57472045 is about 7581.0319218428. The cubic root of 57472045 is about 385.9095714681.

The spelling of 57472045 in words is "fifty-seven million, four hundred seventy-two thousand, forty-five".

Divisors: 1 5 11494409 57472045