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57407132 = 2219755357
BaseRepresentation
bin1101101011111…
…1011010011100
311000000120210002
43122333122130
5104144012012
65410233432
71264644506
oct332773234
9130016702
1057407132
112a44a912
1217285878
13bb7ca23
1478a4d76
15508e7c2
hex36bf69c

57407132 has 12 divisors (see below), whose sum is σ = 105750120. Its totient is φ = 27192816.

The previous prime is 57407131. The next prime is 57407137. The reversal of 57407132 is 23170475.

It is a super-3 number, since 3×574071323 (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57407095 and 57407104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57407131) 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 3 ways as a sum of consecutive naturals, for example, 377603 + ... + 377754.

It is an arithmetic number, because the mean of its divisors is an integer number (8812510).

Almost surely, 257407132 is an apocalyptic number.

It is an amenable number.

57407132 is a deficient number, since it is larger than the sum of its proper divisors (48342988).

57407132 is a wasteful number, since it uses less digits than its factorization.

57407132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755380 (or 755378 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 57407132 is about 7576.7494349490. The cubic root of 57407132 is about 385.7642255281.

The spelling of 57407132 in words is "fifty-seven million, four hundred seven thousand, one hundred thirty-two".

Divisors: 1 2 4 19 38 76 755357 1510714 3021428 14351783 28703566 57407132