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13155078 = 2316313451
BaseRepresentation
bin110010001011…
…101100000110
3220202100101010
4302023230012
511331430303
61145543050
7216546666
oct62135406
926670333
1013155078
117475672
1244a4a86
132957991
141a661a6
15124cc03
hexc8bb06

13155078 has 16 divisors (see below), whose sum is σ = 26473536. Its totient is φ = 4357800.

The previous prime is 13155071. The next prime is 13155083. The reversal of 13155078 is 87055131.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155071) 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 7 ways as a sum of consecutive naturals, for example, 5748 + ... + 7703.

It is an arithmetic number, because the mean of its divisors is an integer number (1654596).

Almost surely, 213155078 is an apocalyptic number.

13155078 is an abundant number, since it is smaller than the sum of its proper divisors (13318458).

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

13155078 is a wasteful number, since it uses less digits than its factorization.

13155078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13619.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 13155078 is about 3626.9929693894. The cubic root of 13155078 is about 236.0647504988.

The spelling of 13155078 in words is "thirteen million, one hundred fifty-five thousand, seventy-eight".

Divisors: 1 2 3 6 163 326 489 978 13451 26902 40353 80706 2192513 4385026 6577539 13155078