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12431896 = 231791411
BaseRepresentation
bin101111011011…
…001000011000
3212101121100121
4233123020120
511140310041
61122243024
7210445411
oct57331030
925347317
1012431896
1170212a4
1241b6474
132763769
141918808
1511587d1
hexbdb218

12431896 has 16 divisors (see below), whose sum is σ = 24681240. Its totient is φ = 5850240.

The previous prime is 12431893. The next prime is 12431911. The reversal of 12431896 is 69813421.

12431896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45570 + ... + 45841.

Almost surely, 212431896 is an apocalyptic number.

It is an amenable number.

12431896 is a deficient number, since it is larger than the sum of its proper divisors (12249344).

12431896 is a wasteful number, since it uses less digits than its factorization.

12431896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91434 (or 91430 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 12431896 is about 3525.8893913451. The cubic root of 12431896 is about 231.6571928796.

The spelling of 12431896 in words is "twelve million, four hundred thirty-one thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 17 34 68 136 91411 182822 365644 731288 1553987 3107974 6215948 12431896