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57314440 = 2352949409
BaseRepresentation
bin1101101010100…
…0110010001000
310222211212122001
43122220302020
5104133030230
65404240344
71264110331
oct332506210
9128755561
1057314440
112a397207
12172400b4
13bb49791
14787d288
1550720ca
hex36a8c88

57314440 has 32 divisors (see below), whose sum is σ = 133407000. Its totient is φ = 22134784.

The previous prime is 57314437. The next prime is 57314447. The reversal of 57314440 is 4441375.

It can be written as a sum of positive squares in 4 ways, for example, as 43639236 + 13675204 = 6606^2 + 3698^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57314399 and 57314408.

It is not an unprimeable number, because it can be changed into a prime (57314447) 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 7 ways as a sum of consecutive naturals, for example, 23545 + ... + 25864.

Almost surely, 257314440 is an apocalyptic number.

It is an amenable number.

57314440 is an abundant number, since it is smaller than the sum of its proper divisors (76092560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57314440 is a wasteful number, since it uses less digits than its factorization.

57314440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49449 (or 49445 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 57314440 is about 7570.6300926673. The cubic root of 57314440 is about 385.5564898996.

The spelling of 57314440 in words is "fifty-seven million, three hundred fourteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 49409 98818 197636 247045 395272 494090 988180 1432861 1976360 2865722 5731444 7164305 11462888 14328610 28657220 57314440