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55144182 = 2310190997
BaseRepresentation
bin1101001001011…
…0111011110110
310211202121121010
43102112323312
5103104103212
65245533050
71236501132
oct322267366
9124677533
1055144182
1129144705
1216574186
13b5699c2
1474763c2
154c9403c
hex3496ef6

55144182 has 16 divisors (see below), whose sum is σ = 111381552. Its totient is φ = 18199200.

The previous prime is 55144169. The next prime is 55144211. The reversal of 55144182 is 28144155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44893 + ... + 46104.

It is an arithmetic number, because the mean of its divisors is an integer number (6961347).

Almost surely, 255144182 is an apocalyptic number.

55144182 is an abundant number, since it is smaller than the sum of its proper divisors (56237370).

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

55144182 is a wasteful number, since it uses less digits than its factorization.

55144182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91103.

The product of its digits is 6400, while the sum is 30.

The square root of 55144182 is about 7425.9128731759. The cubic root of 55144182 is about 380.6272696228.

The spelling of 55144182 in words is "fifty-five million, one hundred forty-four thousand, one hundred eighty-two".

Divisors: 1 2 3 6 101 202 303 606 90997 181994 272991 545982 9190697 18381394 27572091 55144182