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108933139 = 715679931
BaseRepresentation
bin1100111111000…
…11000000010011
321120222101011201
412133203000103
5210341330024
614450452031
72461626220
oct637430023
9246871151
10108933139
1156543097
1230594017
13197508a3
1410678947
15986b744
hex67e3013

108933139 has 8 divisors (see below), whose sum is σ = 124587008. Its totient is φ = 93302280.

The previous prime is 108933133. The next prime is 108933157. The reversal of 108933139 is 931339801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108933139 - 211 = 108931091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108933098 and 108933107.

It is not an unprimeable number, because it can be changed into a prime (108933133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6004 + ... + 15934.

It is an arithmetic number, because the mean of its divisors is an integer number (15573376).

Almost surely, 2108933139 is an apocalyptic number.

108933139 is a deficient number, since it is larger than the sum of its proper divisors (15653869).

108933139 is an equidigital number, since it uses as much as digits as its factorization.

108933139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11505.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 108933139 is about 10437.1039565581. The cubic root of 108933139 is about 477.5879267557.

The spelling of 108933139 in words is "one hundred eight million, nine hundred thirty-three thousand, one hundred thirty-nine".

Divisors: 1 7 1567 9931 10969 69517 15561877 108933139