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12942208 = 27101111
BaseRepresentation
bin110001010111…
…101110000000
3220100112101001
4301113232000
511303122313
61141221344
7215002246
oct61275600
926315331
1012942208
11733a744
124401854
1328b1b16
141a0c796
151209add
hexc57b80

12942208 has 16 divisors (see below), whose sum is σ = 25783560. Its totient is φ = 6471040.

The previous prime is 12942203. The next prime is 12942233. The reversal of 12942208 is 80224921.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12942203) 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 as a sum of consecutive naturals, namely, 50428 + ... + 50683.

Almost surely, 212942208 is an apocalyptic number.

It is an amenable number.

12942208 is a deficient number, since it is larger than the sum of its proper divisors (12841352).

12942208 is an equidigital number, since it uses as much as digits as its factorization.

12942208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101125 (or 101113 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12942208 is about 3597.5280401965. The cubic root of 12942208 is about 234.7845195447.

The spelling of 12942208 in words is "twelve million, nine hundred forty-two thousand, two hundred eight".

Divisors: 1 2 4 8 16 32 64 128 101111 202222 404444 808888 1617776 3235552 6471104 12942208