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54378856 = 237971051
BaseRepresentation
bin1100111101110…
…0000101101000
310210022201202201
43033130011220
5102410110411
65221305544
71230132640
oct317340550
9123281681
1054378856
1128771704
12162652b4
13b35c54c
147317520
154b923c1
hex33dc168

54378856 has 16 divisors (see below), whose sum is σ = 116526240. Its totient is φ = 23305200.

The previous prime is 54378823. The next prime is 54378871. The reversal of 54378856 is 65887345.

54378856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485470 + ... + 485581.

It is an arithmetic number, because the mean of its divisors is an integer number (7282890).

Almost surely, 254378856 is an apocalyptic number.

54378856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

54378856 is an abundant number, since it is smaller than the sum of its proper divisors (62147384).

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

54378856 is a wasteful number, since it uses less digits than its factorization.

54378856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971064 (or 971060 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The square root of 54378856 is about 7374.2020585281. The cubic root of 54378856 is about 378.8581977295.

The spelling of 54378856 in words is "fifty-four million, three hundred seventy-eight thousand, eight hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 56 971051 1942102 3884204 6797357 7768408 13594714 27189428 54378856