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12431796 = 2231379691
BaseRepresentation
bin101111011011…
…000110110100
3212101121012220
4233123012310
511140304141
61122242340
7210445206
oct57330664
925347186
1012431796
117021213
1241b63b0
1327636c0
141918776
151158766
hexbdb1b4

12431796 has 24 divisors (see below), whose sum is σ = 31239264. Its totient is φ = 3825120.

The previous prime is 12431767. The next prime is 12431801. The reversal of 12431796 is 69713421.

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, 39690 + ... + 40001.

It is an arithmetic number, because the mean of its divisors is an integer number (1301636).

Almost surely, 212431796 is an apocalyptic number.

It is an amenable number.

12431796 is an abundant number, since it is smaller than the sum of its proper divisors (18807468).

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

12431796 is a wasteful number, since it uses less digits than its factorization.

12431796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79711 (or 79709 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 12431796 is about 3525.8752104974. The cubic root of 12431796 is about 231.6565717412.

The spelling of 12431796 in words is "twelve million, four hundred thirty-one thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 79691 159382 239073 318764 478146 956292 1035983 2071966 3107949 4143932 6215898 12431796