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13392252 = 2232537019
BaseRepresentation
bin110011000101…
…100101111100
3221012101201100
4303011211330
511412023002
61155013100
7221555316
oct63054574
927171640
1013392252
117617885
12459a190
132a0b913
141ac87b6
15129811c
hexcc597c

13392252 has 36 divisors (see below), whose sum is σ = 34496280. Its totient is φ = 4379232.

The previous prime is 13392251. The next prime is 13392259. The reversal of 13392252 is 25229331.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1602 + ... + 5417.

It is an arithmetic number, because the mean of its divisors is an integer number (958230).

Almost surely, 213392252 is an apocalyptic number.

13392252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13392252 is an abundant number, since it is smaller than the sum of its proper divisors (21104028).

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

13392252 is a wasteful number, since it uses less digits than its factorization.

13392252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7082 (or 7077 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 13392252 is about 3659.5425943689. The cubic root of 13392252 is about 237.4749861006.

The spelling of 13392252 in words is "thirteen million, three hundred ninety-two thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 53 106 159 212 318 477 636 954 1908 7019 14038 21057 28076 42114 63171 84228 126342 252684 372007 744014 1116021 1488028 2232042 3348063 4464084 6696126 13392252