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13147068 = 22311137727
BaseRepresentation
bin110010001001…
…101110111100
3220201221101110
4302021232330
511331201233
61145442020
7216514434
oct62115674
926657343
1013147068
11746a650
1244a0310
13295413c
141a632c4
15124a663
hexc89bbc

13147068 has 48 divisors (see below), whose sum is σ = 33755904. Its totient is φ = 3949440.

The previous prime is 13147061. The next prime is 13147087. The reversal of 13147068 is 86074131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13147061) 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, 17721 + ... + 18447.

It is an arithmetic number, because the mean of its divisors is an integer number (703248).

Almost surely, 213147068 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 13147068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16877952).

13147068 is an abundant number, since it is smaller than the sum of its proper divisors (20608836).

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

13147068 is a wasteful number, since it uses less digits than its factorization.

13147068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 13147068 is about 3625.8885807482. Note that the first 3 decimals coincide. The cubic root of 13147068 is about 236.0168282552.

The spelling of 13147068 in words is "thirteen million, one hundred forty-seven thousand, sixty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 137 274 411 548 727 822 1454 1507 1644 2181 2908 3014 4362 4521 6028 7997 8724 9042 15994 18084 23991 31988 47982 95964 99599 199198 298797 398396 597594 1095589 1195188 2191178 3286767 4382356 6573534 13147068