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57944872 = 237243109
BaseRepresentation
bin1101110100001…
…0101100101000
311001000220102101
43131002230220
5104313213442
65425543144
71302344326
oct335025450
9131026371
1057944872
112a787927
12174a4ab4
13c00a70b
1479a4d16
155148cb7
hex3742b28

57944872 has 8 divisors (see below), whose sum is σ = 108646650. Its totient is φ = 28972432.

The previous prime is 57944807. The next prime is 57944879. The reversal of 57944872 is 27844975.

It can be written as a sum of positive squares in only one way, i.e., 57851236 + 93636 = 7606^2 + 306^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (57944879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621547 + ... + 3621562.

Almost surely, 257944872 is an apocalyptic number.

It is an amenable number.

57944872 is a deficient number, since it is larger than the sum of its proper divisors (50701778).

57944872 is a wasteful number, since it uses less digits than its factorization.

57944872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7243115 (or 7243111 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 57944872 is about 7612.1529149118. The cubic root of 57944872 is about 386.9649851362.

It can be divided in two parts, 579 and 44872, that added together give a triangular number (45451 = T301).

The spelling of 57944872 in words is "fifty-seven million, nine hundred forty-four thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 7243109 14486218 28972436 57944872