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55103154 = 23171928433
BaseRepresentation
bin1101001000110…
…0111010110010
310211200112022120
43102030322302
5103101300104
65245015110
71236240411
oct322147262
9124615276
1055103154
11291168a7
1216554496
13b554122
147465478
154c86cd9
hex348ceb2

55103154 has 32 divisors (see below), whose sum is σ = 122834880. Its totient is φ = 16376832.

The previous prime is 55103143. The next prime is 55103177. The reversal of 55103154 is 45130155.

55103154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 12279 + ... + 16154.

It is an arithmetic number, because the mean of its divisors is an integer number (3838590).

Almost surely, 255103154 is an apocalyptic number.

55103154 is an abundant number, since it is smaller than the sum of its proper divisors (67731726).

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

55103154 is a wasteful number, since it uses less digits than its factorization.

55103154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28474.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55103154 is about 7423.1498705065. The cubic root of 55103154 is about 380.5328489630.

The spelling of 55103154 in words is "fifty-five million, one hundred three thousand, one hundred fifty-four".

Divisors: 1 2 3 6 17 19 34 38 51 57 102 114 323 646 969 1938 28433 56866 85299 170598 483361 540227 966722 1080454 1450083 1620681 2900166 3241362 9183859 18367718 27551577 55103154