Search a number
-
+
13392256 = 27234549
BaseRepresentation
bin110011000101…
…100110000000
3221012101201111
4303011212000
511412023011
61155013104
7221555323
oct63054600
927171644
1013392256
117617889
12459a194
132a0b917
141ac87ba
151298121
hexcc5980

13392256 has 32 divisors (see below), whose sum is σ = 27846000. Its totient is φ = 6403584.

The previous prime is 13392251. The next prime is 13392259. The reversal of 13392256 is 65229331.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13392251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670 + ... + 5218.

Almost surely, 213392256 is an apocalyptic number.

13392256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13392256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13923000).

13392256 is an abundant number, since it is smaller than the sum of its proper divisors (14453744).

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

13392256 is an equidigital number, since it uses as much as digits as its factorization.

13392256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586 (or 4574 counting only the distinct ones).

The product of its digits is 9720, while the sum is 31.

The square root of 13392256 is about 3659.5431408852. The cubic root of 13392256 is about 237.4750097436.

The spelling of 13392256 in words is "thirteen million, three hundred ninety-two thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 23 32 46 64 92 128 184 368 736 1472 2944 4549 9098 18196 36392 72784 104627 145568 209254 291136 418508 582272 837016 1674032 3348064 6696128 13392256