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54971432 = 2331221659
BaseRepresentation
bin1101000110110…
…0110000101000
310211102211121222
43101230300220
5103033041212
65242121212
71235151365
oct321546050
9124384558
1054971432
112903693a
12164b0208
13b509199
14742d46c
154c5cc72
hex346cc28

54971432 has 16 divisors (see below), whose sum is σ = 106396800. Its totient is φ = 26598960.

The previous prime is 54971429. The next prime is 54971453. The reversal of 54971432 is 23417945.

It is a super-2 number, since 2×549714322 = 6043716672261248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 54971392 and 54971401.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 110582 + ... + 111077.

It is an arithmetic number, because the mean of its divisors is an integer number (6649800).

Almost surely, 254971432 is an apocalyptic number.

It is an amenable number.

54971432 is a deficient number, since it is larger than the sum of its proper divisors (51425368).

54971432 is a wasteful number, since it uses less digits than its factorization.

54971432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221696 (or 221692 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 54971432 is about 7414.2721827567. The cubic root of 54971432 is about 380.2293905842.

The spelling of 54971432 in words is "fifty-four million, nine hundred seventy-one thousand, four hundred thirty-two".

Divisors: 1 2 4 8 31 62 124 248 221659 443318 886636 1773272 6871429 13742858 27485716 54971432