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12108942 = 2321275297
BaseRepresentation
bin101110001100…
…010010001110
3211210012100100
4232030102032
511044441232
61111311530
7204632016
oct56142216
924705310
1012108942
11692069a
12407b5a6
13267c771
141872c46
1510e2c7c
hexb8c48e

12108942 has 24 divisors (see below), whose sum is σ = 26447616. Its totient is φ = 4003776.

The previous prime is 12108931. The next prime is 12108949. The reversal of 12108942 is 24980121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12108949) 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 11 ways as a sum of consecutive naturals, for example, 363 + ... + 4934.

It is an arithmetic number, because the mean of its divisors is an integer number (1101984).

Almost surely, 212108942 is an apocalyptic number.

12108942 is an abundant number, since it is smaller than the sum of its proper divisors (14338674).

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

12108942 is a wasteful number, since it uses less digits than its factorization.

12108942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5432 (or 5429 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 12108942 is about 3479.7905109360. The cubic root of 12108942 is about 229.6335816518.

The spelling of 12108942 in words is "twelve million, one hundred eight thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 127 254 381 762 1143 2286 5297 10594 15891 31782 47673 95346 672719 1345438 2018157 4036314 6054471 12108942