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12909954 = 232151659
BaseRepresentation
bin110001001111…
…110110000010
3220021220010110
4301033312002
511301104304
61140412150
7214506231
oct61176602
926256113
1012909954
117318492
1243a7056
1328a0235
141a00b18
151200289
hexc4fd82

12909954 has 8 divisors (see below), whose sum is σ = 25819920. Its totient is φ = 4303316.

The previous prime is 12909937. The next prime is 12909961. The reversal of 12909954 is 45990921.

12909954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

12909954 is an admirable number.

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, 1075824 + ... + 1075835.

It is an arithmetic number, because the mean of its divisors is an integer number (3227490).

Almost surely, 212909954 is an apocalyptic number.

12909954 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12909954 is a wasteful number, since it uses less digits than its factorization.

12909954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151664.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 12909954 is about 3593.0424433897. The cubic root of 12909954 is about 234.5893174217.

The spelling of 12909954 in words is "twelve million, nine hundred nine thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 2151659 4303318 6454977 12909954