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54846985 = 5103281379
BaseRepresentation
bin1101000100111…
…0011000001001
310211012111220211
43101032120021
5103020100420
65235321121
71234122514
oct321163011
9124174824
1054846985
1128a61396
12164501a1
13b49464b
1473d9d7b
154c35e5a
hex344e609

54846985 has 16 divisors (see below), whose sum is σ = 66867840. Its totient is φ = 43182720.

The previous prime is 54846983. The next prime is 54847007. The reversal of 54846985 is 58964845.

It is not a de Polignac number, because 54846985 - 21 = 54846983 is a prime.

Its product of digits (1382400) is a multiple of the sum of its prime divisors (768).

It is not an unprimeable number, because it can be changed into a prime (54846983) 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 15 ways as a sum of consecutive naturals, for example, 144526 + ... + 144904.

It is an arithmetic number, because the mean of its divisors is an integer number (4179240).

Almost surely, 254846985 is an apocalyptic number.

It is an amenable number.

54846985 is a deficient number, since it is larger than the sum of its proper divisors (12020855).

54846985 is a wasteful number, since it uses less digits than its factorization.

54846985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768.

The product of its digits is 1382400, while the sum is 49.

The square root of 54846985 is about 7405.8750327021. The cubic root of 54846985 is about 379.9422465322.

The spelling of 54846985 in words is "fifty-four million, eight hundred forty-six thousand, nine hundred eighty-five".

Divisors: 1 5 103 281 379 515 1405 1895 28943 39037 106499 144715 195185 532495 10969397 54846985