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54879172 = 2213719793
BaseRepresentation
bin1101000101011…
…0001111000100
310211021011001221
43101112033010
5103022113142
65240130124
71234315405
oct321261704
9124234057
1054879172
1128a83597
1216466944
13b4a61aa
1474079ac
154c40767
hex34563c4

54879172 has 6 divisors (see below), whose sum is σ = 96038558. Its totient is φ = 27439584.

The previous prime is 54879169. The next prime is 54879191. The reversal of 54879172 is 27197845.

It can be written as a sum of positive squares in only one way, i.e., 54671236 + 207936 = 7394^2 + 456^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6859893 + ... + 6859900.

Almost surely, 254879172 is an apocalyptic number.

It is an amenable number.

54879172 is a deficient number, since it is larger than the sum of its proper divisors (41159386).

54879172 is a wasteful number, since it uses less digits than its factorization.

54879172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13719797 (or 13719795 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 54879172 is about 7408.0477860230. The cubic root of 54879172 is about 380.0165551421.

The spelling of 54879172 in words is "fifty-four million, eight hundred seventy-nine thousand, one hundred seventy-two".

Divisors: 1 2 4 13719793 27439586 54879172