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57464379 = 3271961787
BaseRepresentation
bin1101101100110…
…1011000111011
311000010111022100
43123031120323
5104202330004
65411354443
71265303430
oct333153073
9130114270
1057464379
112a489925
12172b2a23
13bb9cabb
1478bbb87
1550a1739
hex36cd63b

57464379 has 48 divisors (see below), whose sum is σ = 101620480. Its totient is φ = 30559680.

The previous prime is 57464357. The next prime is 57464401. The reversal of 57464379 is 97346475.

57464379 is a `hidden beast` number, since 574 + 6 + 4 + 3 + 79 = 666.

57464379 is nontrivially palindromic in base 14.

It is an interprime number because it is at equal distance from previous prime (57464357) and next prime (57464401).

It is not a de Polignac number, because 57464379 - 216 = 57398843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57464339) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72624 + ... + 73410.

Almost surely, 257464379 is an apocalyptic number.

57464379 is a deficient number, since it is larger than the sum of its proper divisors (44156101).

57464379 is a wasteful number, since it uses less digits than its factorization.

57464379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 877 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 57464379 is about 7580.5263009899. The cubic root of 57464379 is about 385.8924123182.

The spelling of 57464379 in words is "fifty-seven million, four hundred sixty-four thousand, three hundred seventy-nine".

Divisors: 1 3 7 9 19 21 57 61 63 133 171 183 399 427 549 787 1159 1197 1281 2361 3477 3843 5509 7083 8113 10431 14953 16527 24339 44859 48007 49581 73017 104671 134577 144021 314013 336049 432063 912133 942039 1008147 2736399 3024441 6384931 8209197 19154793 57464379