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54882138 = 239147023
BaseRepresentation
bin1101000101011…
…0111101011010
310211021022010210
43101112331122
5103022212023
65240151550
71234330143
oct321267532
9124238123
1054882138
1128a85843
12164685b6
13b4a764c
147408aca
154c41593
hex3456f5a

54882138 has 8 divisors (see below), whose sum is σ = 109764288. Its totient is φ = 18294044.

The previous prime is 54882109. The next prime is 54882143. The reversal of 54882138 is 83128845.

It is a sphenic number, since it is the product of 3 distinct primes.

54882138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 54882096 and 54882105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4573506 + ... + 4573517.

It is an arithmetic number, because the mean of its divisors is an integer number (13720536).

Almost surely, 254882138 is an apocalyptic number.

54882138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54882138 is a wasteful number, since it uses less digits than its factorization.

54882138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9147028.

The product of its digits is 61440, while the sum is 39.

The square root of 54882138 is about 7408.2479710118. The cubic root of 54882138 is about 380.0234011443.

It can be divided in two parts, 5488 and 2138, that added together give a triangular number (7626 = T123).

The spelling of 54882138 in words is "fifty-four million, eight hundred eighty-two thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 9147023 18294046 27441069 54882138