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12968742 = 2329731021
BaseRepresentation
bin110001011110…
…001100100110
3220101212202210
4301132030212
511304444432
61141544250
7215142513
oct61361446
926355683
1012968742
117358676
124415086
1328c0c17
141a1830a
1512128cc
hexc5e326

12968742 has 32 divisors (see below), whose sum is σ = 27226080. Its totient is φ = 4112640.

The previous prime is 12968699. The next prime is 12968743. The reversal of 12968742 is 24786921.

12968742 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12968742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12968743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12192 + ... + 13212.

It is an arithmetic number, because the mean of its divisors is an integer number (850815).

Almost surely, 212968742 is an apocalyptic number.

12968742 is an abundant number, since it is smaller than the sum of its proper divisors (14257338).

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

12968742 is a wasteful number, since it uses less digits than its factorization.

12968742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128.

The product of its digits is 48384, while the sum is 39.

The square root of 12968742 is about 3601.2139619856. The cubic root of 12968742 is about 234.9448610639.

The spelling of 12968742 in words is "twelve million, nine hundred sixty-eight thousand, seven hundred forty-two".

Divisors: 1 2 3 6 29 58 73 87 146 174 219 438 1021 2042 2117 3063 4234 6126 6351 12702 29609 59218 74533 88827 149066 177654 223599 447198 2161457 4322914 6484371 12968742