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57994565 = 517682289
BaseRepresentation
bin1101110100111…
…0110101000101
311001010102120212
43131032311011
5104321311230
65431005205
71302642236
oct335166505
9131112525
1057994565
112a8111a2
1217509805
13c027215
1479b908d
155158895
hex374ed45

57994565 has 8 divisors (see below), whose sum is σ = 73687320. Its totient is φ = 43666432.

The previous prime is 57994549. The next prime is 57994567. The reversal of 57994565 is 56549975.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8868484 + 49126081 = 2978^2 + 7009^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 57994565 - 24 = 57994549 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57994567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341060 + ... + 341229.

It is an arithmetic number, because the mean of its divisors is an integer number (9210915).

Almost surely, 257994565 is an apocalyptic number.

It is an amenable number.

57994565 is a deficient number, since it is larger than the sum of its proper divisors (15692755).

57994565 is a wasteful number, since it uses less digits than its factorization.

57994565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682311.

The product of its digits is 1701000, while the sum is 50.

The square root of 57994565 is about 7615.4162722730. The cubic root of 57994565 is about 387.0755727572.

The spelling of 57994565 in words is "fifty-seven million, nine hundred ninety-four thousand, five hundred sixty-five".

Divisors: 1 5 17 85 682289 3411445 11598913 57994565