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57062645 = 528613989
BaseRepresentation
bin1101100110101…
…1010011110101
310222101002020022
43121223103311
5104102001040
65355014525
71262011253
oct331532365
9128332208
1057062645
112a235012
121713a445
13ba8bca3
1478155d3
1550226b5
hex366b4f5

57062645 has 8 divisors (see below), whose sum is σ = 68516280. Its totient is φ = 45622720.

The previous prime is 57062623. The next prime is 57062689. The reversal of 57062645 is 54626075.

It can be written as a sum of positive squares in 4 ways, for example, as 6240004 + 50822641 = 2498^2 + 7129^2 .

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

It is not a de Polignac number, because 57062645 - 26 = 57062581 is a prime.

It is a super-2 number, since 2×570626452 = 6512290908792050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12311 + ... + 16299.

It is an arithmetic number, because the mean of its divisors is an integer number (8564535).

Almost surely, 257062645 is an apocalyptic number.

It is an amenable number.

57062645 is a deficient number, since it is larger than the sum of its proper divisors (11453635).

57062645 is a wasteful number, since it uses less digits than its factorization.

57062645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6855.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 57062645 is about 7553.9820624622. The cubic root of 57062645 is about 384.9910494349.

The spelling of 57062645 in words is "fifty-seven million, sixty-two thousand, six hundred forty-five".

Divisors: 1 5 2861 3989 14305 19945 11412529 57062645