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54732680 = 23511312109
BaseRepresentation
bin1101000011001…
…0011110001000
310210222201010022
43100302132020
5103002421210
65233040012
71233135332
oct320623610
9123881108
1054732680
1128993522
12163b6008
13b454602
1473aa452
154c12155
hex3432788

54732680 has 32 divisors (see below), whose sum is σ = 124248600. Its totient is φ = 21697536.

The previous prime is 54732659. The next prime is 54732683. The reversal of 54732680 is 8623745.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45454564 + 9278116 = 6742^2 + 3046^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54732680.

It is not an unprimeable number, because it can be changed into a prime (54732683) by changing a digit.

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, 1535 + ... + 10574.

Almost surely, 254732680 is an apocalyptic number.

It is an amenable number.

54732680 is an abundant number, since it is smaller than the sum of its proper divisors (69515920).

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

54732680 is a wasteful number, since it uses less digits than its factorization.

54732680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12233 (or 12229 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 54732680 is about 7398.1538237590. The cubic root of 54732680 is about 379.6781207808.

The spelling of 54732680 in words is "fifty-four million, seven hundred thirty-two thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 113 226 452 565 904 1130 2260 4520 12109 24218 48436 60545 96872 121090 242180 484360 1368317 2736634 5473268 6841585 10946536 13683170 27366340 54732680