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13247922 = 232207987
BaseRepresentation
bin110010100010…
…010110110010
3220221001201210
4302202112302
511342413142
61151540550
7220414452
oct62422662
926831653
1013247922
1175293a6
12452a756
13298b00c
141a8bd62
15126a49c
hexca25b2

13247922 has 8 divisors (see below), whose sum is σ = 26495856. Its totient is φ = 4415972.

The previous prime is 13247911. The next prime is 13247939. The reversal of 13247922 is 22974231.

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

13247922 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 13247922.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1103988 + ... + 1103999.

It is an arithmetic number, because the mean of its divisors is an integer number (3311982).

Almost surely, 213247922 is an apocalyptic number.

13247922 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.

13247922 is a wasteful number, since it uses less digits than its factorization.

13247922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207992.

The product of its digits is 6048, while the sum is 30.

The square root of 13247922 is about 3639.7694981963. The cubic root of 13247922 is about 236.6188036075.

The spelling of 13247922 in words is "thirteen million, two hundred forty-seven thousand, nine hundred twenty-two".

Divisors: 1 2 3 6 2207987 4415974 6623961 13247922