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54047812 = 22713148483
BaseRepresentation
bin1100111000101…
…1010001000100
310202200220122211
43032023101010
5102314012222
65210233204
71224253540
oct316132104
9122626584
1054047812
1128565a15
1216125804
13b274970
14726ca20
154b29277
hex338b444

54047812 has 24 divisors (see below), whose sum is σ = 116411456. Its totient is φ = 21381408.

The previous prime is 54047789. The next prime is 54047869. The reversal of 54047812 is 21874045.

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 7 ways as a sum of consecutive naturals, for example, 73878 + ... + 74605.

Almost surely, 254047812 is an apocalyptic number.

54047812 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

54047812 is an abundant number, since it is smaller than the sum of its proper divisors (62363644).

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

54047812 is a wasteful number, since it uses less digits than its factorization.

54047812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148507 (or 148505 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 54047812 is about 7351.7217031115. The cubic root of 54047812 is about 378.0878364040.

The spelling of 54047812 in words is "fifty-four million, forty-seven thousand, eight hundred twelve".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 148483 296966 593932 1039381 1930279 2078762 3860558 4157524 7721116 13511953 27023906 54047812