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57378308 = 22136118089
BaseRepresentation
bin1101101011100…
…0011000000100
310222222010020112
43122320120010
5104142101213
65405452152
71264464461
oct332703004
9128863215
1057378308
112a430199
1217271058
13bb6c880
147898668
155085ea8
hex36b8604

57378308 has 24 divisors (see below), whose sum is σ = 109914840. Its totient is φ = 26046720.

The previous prime is 57378287. The next prime is 57378317. The reversal of 57378308 is 80387375.

It can be written as a sum of positive squares in 4 ways, for example, as 1098304 + 56280004 = 1048^2 + 7502^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5873 + ... + 12216.

It is an arithmetic number, because the mean of its divisors is an integer number (4579785).

Almost surely, 257378308 is an apocalyptic number.

It is an amenable number.

57378308 is a deficient number, since it is larger than the sum of its proper divisors (52536532).

57378308 is a wasteful number, since it uses less digits than its factorization.

57378308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18167 (or 18165 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 57378308 is about 7574.8470611624. The cubic root of 57378308 is about 385.6996509177.

The spelling of 57378308 in words is "fifty-seven million, three hundred seventy-eight thousand, three hundred eight".

Divisors: 1 2 4 13 26 52 61 122 244 793 1586 3172 18089 36178 72356 235157 470314 940628 1103429 2206858 4413716 14344577 28689154 57378308