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57319374 = 2371364747
BaseRepresentation
bin1101101010100…
…1111111001110
310222212010101210
43122221333032
5104133204444
65404315250
71264130610
oct332517716
9128763353
1057319374
112a39a992
1217242b26
13bb4bab8
147880db0
1550737b9
hex36a9fce

57319374 has 16 divisors (see below), whose sum is σ = 131015808. Its totient is φ = 16376952.

The previous prime is 57319373. The next prime is 57319417. The reversal of 57319374 is 47391375.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57319373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682332 + ... + 682415.

It is an arithmetic number, because the mean of its divisors is an integer number (8188488).

Almost surely, 257319374 is an apocalyptic number.

57319374 is an abundant number, since it is smaller than the sum of its proper divisors (73696434).

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

57319374 is a wasteful number, since it uses less digits than its factorization.

57319374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364759.

The product of its digits is 79380, while the sum is 39.

The square root of 57319374 is about 7570.9559502087. The cubic root of 57319374 is about 385.5675533194.

The spelling of 57319374 in words is "fifty-seven million, three hundred nineteen thousand, three hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 1364747 2729494 4094241 8188482 9553229 19106458 28659687 57319374