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54879144 = 23319120349
BaseRepresentation
bin1101000101011…
…0001110101000
310211021011000220
43101112032220
5103022113034
65240130040
71234315335
oct321261650
9124234026
1054879144
1128a83571
1216466920
13b4a6188
14740798c
154c40749
hex34563a8

54879144 has 32 divisors (see below), whose sum is σ = 144420000. Its totient is φ = 17330112.

The previous prime is 54879131. The next prime is 54879151. The reversal of 54879144 is 44197845.

It is a junction number, because it is equal to n+sod(n) for n = 54879096 and 54879105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59719 + ... + 60630.

It is an arithmetic number, because the mean of its divisors is an integer number (4513125).

Almost surely, 254879144 is an apocalyptic number.

It is an amenable number.

54879144 is an abundant number, since it is smaller than the sum of its proper divisors (89540856).

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

54879144 is a wasteful number, since it uses less digits than its factorization.

54879144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120377 (or 120373 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 54879144 is about 7408.0458961861. The cubic root of 54879144 is about 380.0164905124.

The spelling of 54879144 in words is "fifty-four million, eight hundred seventy-nine thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 120349 240698 361047 481396 722094 962792 1444188 2286631 2888376 4573262 6859893 9146524 13719786 18293048 27439572 54879144