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54684140 = 22572913469
BaseRepresentation
bin1101000010011…
…0100111101100
310210220020112112
43100212213230
5102444343030
65232023152
71232543660
oct320464754
9123806475
1054684140
1128960005
1216391ab8
13b4384a4
1473968a0
154c02a95
hex34269ec

54684140 has 48 divisors (see below), whose sum is σ = 135777600. Its totient is φ = 18100992.

The previous prime is 54684139. The next prime is 54684151. The reversal of 54684140 is 4148645.

54684140 is digitally balanced in base 2 and base 9, because in such bases it contains all the possibile digits an equal number of times.

54684140 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 54684097 and 54684106.

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 15 ways as a sum of consecutive naturals, for example, 2675 + ... + 10794.

It is an arithmetic number, because the mean of its divisors is an integer number (2828700).

Almost surely, 254684140 is an apocalyptic number.

It is an amenable number.

54684140 is an abundant number, since it is smaller than the sum of its proper divisors (81093460).

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

54684140 is a wasteful number, since it uses less digits than its factorization.

54684140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13514 (or 13512 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 54684140 is about 7394.8725479213. The cubic root of 54684140 is about 379.5658476575.

The spelling of 54684140 in words is "fifty-four million, six hundred eighty-four thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 29 35 58 70 116 140 145 203 290 406 580 812 1015 2030 4060 13469 26938 53876 67345 94283 134690 188566 269380 377132 390601 471415 781202 942830 1562404 1885660 1953005 2734207 3906010 5468414 7812020 10936828 13671035 27342070 54684140