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57024045 = 32513107911
BaseRepresentation
bin1101100110000…
…1111000101101
310222022010021200
43121201320231
5104044232140
65354120113
71261460601
oct331417055
9128263250
1057024045
112a209011
1217120039
13ba77550
147805501
155016030
hex3661e2d

57024045 has 48 divisors (see below), whose sum is σ = 107557632. Its totient is φ = 27780480.

The previous prime is 57024043. The next prime is 57024059. The reversal of 57024045 is 54042075.

It is not a de Polignac number, because 57024045 - 21 = 57024043 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57024041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62140 + ... + 63050.

It is an arithmetic number, because the mean of its divisors is an integer number (2240784).

Almost surely, 257024045 is an apocalyptic number.

It is an amenable number.

57024045 is a deficient number, since it is larger than the sum of its proper divisors (50533587).

57024045 is a wasteful number, since it uses less digits than its factorization.

57024045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 57024045 is about 7551.4266863951. The cubic root of 57024045 is about 384.9042208474.

The spelling of 57024045 in words is "fifty-seven million, twenty-four thousand, forty-five".

Divisors: 1 3 5 9 13 15 39 45 65 107 117 195 321 535 585 911 963 1391 1605 2733 4173 4555 4815 6955 8199 11843 12519 13665 20865 35529 40995 59215 62595 97477 106587 177645 292431 487385 532935 877293 1267201 1462155 3801603 4386465 6336005 11404809 19008015 57024045