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57936428 = 221110113037
BaseRepresentation
bin1101110100000…
…0101000101100
311001000110211122
43131000220230
5104312431203
65425440112
71302310604
oct335005054
9131013748
1057936428
112a781550
12174a0038
13c006914
1479a1c04
155146538
hex3740a2c

57936428 has 24 divisors (see below), whose sum is σ = 111709584. Its totient is φ = 26072000.

The previous prime is 57936421. The next prime is 57936457. The reversal of 57936428 is 82463975.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (57936421) 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, 2075 + ... + 10962.

It is an arithmetic number, because the mean of its divisors is an integer number (4654566).

Almost surely, 257936428 is an apocalyptic number.

It is an amenable number.

57936428 is a deficient number, since it is larger than the sum of its proper divisors (53773156).

57936428 is a wasteful number, since it uses less digits than its factorization.

57936428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13153 (or 13151 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 57936428 is about 7611.5982552944. The cubic root of 57936428 is about 386.9461874356.

It can be divided in two parts, 5793 and 6428, that added together give a palindrome (12221).

The spelling of 57936428 in words is "fifty-seven million, nine hundred thirty-six thousand, four hundred twenty-eight".

Divisors: 1 2 4 11 22 44 101 202 404 1111 2222 4444 13037 26074 52148 143407 286814 573628 1316737 2633474 5266948 14484107 28968214 57936428