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13168038 = 2313401421
BaseRepresentation
bin110010001110…
…110110100110
3220210000011010
4302032312212
511332334123
61150123050
7216632532
oct62166646
926700133
1013168038
117484384
1244b0486
132960850
141a6abc2
151251993
hexc8eda6

13168038 has 32 divisors (see below), whose sum is σ = 28500192. Its totient is φ = 4032000.

The previous prime is 13168031. The next prime is 13168069. The reversal of 13168038 is 83086131.

It is a junction number, because it is equal to n+sod(n) for n = 13167996 and 13168014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13168031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31068 + ... + 31488.

It is an arithmetic number, because the mean of its divisors is an integer number (890631).

Almost surely, 213168038 is an apocalyptic number.

13168038 is an abundant number, since it is smaller than the sum of its proper divisors (15332154).

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

13168038 is a wasteful number, since it uses less digits than its factorization.

13168038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 13168038 is about 3628.7791335379. The cubic root of 13168038 is about 236.1422464295.

The spelling of 13168038 in words is "thirteen million, one hundred sixty-eight thousand, thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 401 421 802 842 1203 1263 2406 2526 5213 5473 10426 10946 15639 16419 31278 32838 168821 337642 506463 1012926 2194673 4389346 6584019 13168038