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55108107 = 34680347
BaseRepresentation
bin1101001000111…
…0001000001011
310211200210010000
43102032020023
5103101424412
65245054043
71236261015
oct322161013
9124623100
1055108107
112911a59a
1216557323
13b556462
1474671b5
154c884dc
hex348e20b

55108107 has 10 divisors (see below), whose sum is σ = 82322108. Its totient is φ = 36738684.

The previous prime is 55108093. The next prime is 55108127. The reversal of 55108107 is 70180155.

55108107 is a `hidden beast` number, since 551 + 0 + 8 + 107 = 666.

It is not a de Polignac number, because 55108107 - 26 = 55108043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55108127) 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 9 ways as a sum of consecutive naturals, for example, 340093 + ... + 340254.

Almost surely, 255108107 is an apocalyptic number.

55108107 is a deficient number, since it is larger than the sum of its proper divisors (27214001).

55108107 is an equidigital number, since it uses as much as digits as its factorization.

55108107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680359 (or 680350 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 55108107 is about 7423.4834814930. The cubic root of 55108107 is about 380.5442501418.

The spelling of 55108107 in words is "fifty-five million, one hundred eight thousand, one hundred seven".

Divisors: 1 3 9 27 81 680347 2041041 6123123 18369369 55108107