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13481832 = 2337136173
BaseRepresentation
bin110011011011…
…011101101000
3221100221121010
4303123131220
511422404312
61200543520
7222410430
oct63333550
927327533
1013481832
117679111
124621ba0
132a40620
141b0d2c0
1512b493c
hexcdb768

13481832 has 64 divisors (see below), whose sum is σ = 41489280. Its totient is φ = 3555072.

The previous prime is 13481827. The next prime is 13481843. The reversal of 13481832 is 23818431.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 13481832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903 + ... + 5270.

It is an arithmetic number, because the mean of its divisors is an integer number (648270).

Almost surely, 213481832 is an apocalyptic number.

13481832 is a gapful number since it is divisible by the number (12) 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 13481832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20744640).

13481832 is an abundant number, since it is smaller than the sum of its proper divisors (28007448).

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

13481832 is a wasteful number, since it uses less digits than its factorization.

13481832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6202 (or 6198 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 13481832 is about 3671.7614301586. The cubic root of 13481832 is about 238.0032953902.

The spelling of 13481832 in words is "thirteen million, four hundred eighty-one thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 182 273 312 364 546 728 1092 2184 6173 12346 18519 24692 37038 43211 49384 74076 80249 86422 129633 148152 160498 172844 240747 259266 320996 345688 481494 518532 561743 641992 962988 1037064 1123486 1685229 1925976 2246972 3370458 4493944 6740916 13481832