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57025351 = 2272291097
BaseRepresentation
bin1101100110001…
…0001101000111
310222022012002001
43121202031013
5104044302401
65354130131
71261464445
oct331421507
9128265061
1057025351
112a209a99
1217120947
13ba78016
147805b95
155016601
hex3662347

57025351 has 8 divisors (see below), whose sum is σ = 57579120. Its totient is φ = 56474688.

The previous prime is 57025343. The next prime is 57025357. The reversal of 57025351 is 15352075.

57025351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 57025351 - 23 = 57025343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57025357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51435 + ... + 52531.

It is an arithmetic number, because the mean of its divisors is an integer number (7197390).

Almost surely, 257025351 is an apocalyptic number.

57025351 is a deficient number, since it is larger than the sum of its proper divisors (553769).

57025351 is a wasteful number, since it uses less digits than its factorization.

57025351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 57025351 is about 7551.5131596257. The cubic root of 57025351 is about 384.9071592633.

It can be divided in two parts, 570 and 25351, that added together give a square (25921 = 1612).

The spelling of 57025351 in words is "fifty-seven million, twenty-five thousand, three hundred fifty-one".

Divisors: 1 227 229 1097 51983 249019 251213 57025351