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12944432 = 241077561
BaseRepresentation
bin110001011000…
…010000110000
3220100122102102
4301120100300
511303210212
61141235532
7215011604
oct61302060
926318372
1012944432
117341386
124402ba8
1328b2b37
141a0d504
15120a5c2
hexc58430

12944432 has 20 divisors (see below), whose sum is σ = 25317576. Its totient is φ = 6410880.

The previous prime is 12944389. The next prime is 12944443. The reversal of 12944432 is 23444921.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12944395 and 12944404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069 + ... + 5492.

Almost surely, 212944432 is an apocalyptic number.

It is an amenable number.

12944432 is a deficient number, since it is larger than the sum of its proper divisors (12373144).

12944432 is a wasteful number, since it uses less digits than its factorization.

12944432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7676 (or 7670 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 12944432 is about 3597.8371280535. The cubic root of 12944432 is about 234.7979672981.

The spelling of 12944432 in words is "twelve million, nine hundred forty-four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 107 214 428 856 1712 7561 15122 30244 60488 120976 809027 1618054 3236108 6472216 12944432