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57025673 = 331172283
BaseRepresentation
bin1101100110001…
…0010010001001
310222022012111222
43121202102021
5104044310143
65354131425
71261465415
oct331422211
9128265458
1057025673
112a20a261
1217120b75
13ba78203
147805d45
155016768
hex3662489

57025673 has 4 divisors (see below), whose sum is σ = 57198288. Its totient is φ = 56853060.

The previous prime is 57025663. The next prime is 57025681. The reversal of 57025673 is 37652075.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57025673 - 222 = 52831369 is a prime.

It is a super-2 number, since 2×570256732 = 6503854762205858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57025663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85811 + ... + 86472.

It is an arithmetic number, because the mean of its divisors is an integer number (14299572).

Almost surely, 257025673 is an apocalyptic number.

It is an amenable number.

57025673 is a deficient number, since it is larger than the sum of its proper divisors (172615).

57025673 is a wasteful number, since it uses less digits than its factorization.

57025673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172614.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 57025673 is about 7551.5344798259. The cubic root of 57025673 is about 384.9078837356.

The spelling of 57025673 in words is "fifty-seven million, twenty-five thousand, six hundred seventy-three".

Divisors: 1 331 172283 57025673