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57420315 = 3251276007
BaseRepresentation
bin1101101100001…
…0101000011011
311000001020212100
43123002220123
5104144422230
65410414443
71265031111
oct333025033
9130036770
1057420315
112a459807
1217291423
13bb85a24
1478a9ab1
155093660
hex36c2a1b

57420315 has 12 divisors (see below), whose sum is σ = 99528624. Its totient is φ = 30624144.

The previous prime is 57420301. The next prime is 57420353. The reversal of 57420315 is 51302475.

It is a happy number.

57420315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57420315 - 210 = 57419291 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 637959 + ... + 638048.

It is an arithmetic number, because the mean of its divisors is an integer number (8294052).

Almost surely, 257420315 is an apocalyptic number.

57420315 is a deficient number, since it is larger than the sum of its proper divisors (42108309).

57420315 is a wasteful number, since it uses less digits than its factorization.

57420315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276018 (or 1276015 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 57420315 is about 7577.6193491096. The cubic root of 57420315 is about 385.7937522923.

The spelling of 57420315 in words is "fifty-seven million, four hundred twenty thousand, three hundred fifteen".

Divisors: 1 3 5 9 15 45 1276007 3828021 6380035 11484063 19140105 57420315