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13408056 = 2332732551
BaseRepresentation
bin110011001001…
…011100111000
3221020012101200
4303021130320
511413024211
61155214200
7221652354
oct63113470
927205350
1013408056
117628742
1245a7360
132a15b7c
141ad0464
15129cb56
hexcc9738

13408056 has 48 divisors (see below), whose sum is σ = 36825360. Its totient is φ = 4406400.

The previous prime is 13408051. The next prime is 13408067. The reversal of 13408056 is 65080431.

13408056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13408051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3981 + ... + 6531.

It is an arithmetic number, because the mean of its divisors is an integer number (767195).

Almost surely, 213408056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13408056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18412680).

13408056 is an abundant number, since it is smaller than the sum of its proper divisors (23417304).

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

13408056 is a wasteful number, since it uses less digits than its factorization.

13408056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636 (or 2629 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 13408056 is about 3661.7012439575. The cubic root of 13408056 is about 237.5683629611.

Adding to 13408056 its reverse (65080431), we get a palindrome (78488487).

The spelling of 13408056 in words is "thirteen million, four hundred eight thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 73 146 219 292 438 584 657 876 1314 1752 2551 2628 5102 5256 7653 10204 15306 20408 22959 30612 45918 61224 91836 183672 186223 372446 558669 744892 1117338 1489784 1676007 2234676 3352014 4469352 6704028 13408056