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54799812 = 22323741141
BaseRepresentation
bin1101000100001…
…0110111000100
310211010010012200
43101002313010
5103012043222
65234314500
71233535134
oct321026704
9124103180
1054799812
1128a29a01
1216428a30
13b479032
1473c6ac4
154c26eac
hex3442dc4

54799812 has 36 divisors (see below), whose sum is σ = 142269036. Its totient is φ = 17772480.

The previous prime is 54799783. The next prime is 54799817. The reversal of 54799812 is 21899745.

54799812 is a `hidden beast` number, since 547 + 9 + 98 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41139396 + 13660416 = 6414^2 + 3696^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (54799817) 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 11 ways as a sum of consecutive naturals, for example, 19239 + ... + 21902.

Almost surely, 254799812 is an apocalyptic number.

It is an amenable number.

54799812 is an abundant number, since it is smaller than the sum of its proper divisors (87469224).

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

54799812 is a wasteful number, since it uses less digits than its factorization.

54799812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41188 (or 41183 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 54799812 is about 7402.6895112520. The cubic root of 54799812 is about 379.8332879056.

It can be divided in two parts, 54799 and 812, that added together give a triangular number (55611 = T333).

The spelling of 54799812 in words is "fifty-four million, seven hundred ninety-nine thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 444 666 1332 41141 82282 123423 164564 246846 370269 493692 740538 1481076 1522217 3044434 4566651 6088868 9133302 13699953 18266604 27399906 54799812