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13233052 = 2272931613
BaseRepresentation
bin110010011110…
…101110011100
3220220022100001
4302132232130
511341424202
61151344044
7220323220
oct62365634
926808301
1013233052
117519208
124522024
132984311
141a86780
151265d87
hexc9eb9c

13233052 has 24 divisors (see below), whose sum is σ = 26572896. Its totient is φ = 5648448.

The previous prime is 13233007. The next prime is 13233061. The reversal of 13233052 is 25033231.

It is a super-2 number, since 2×132330522 = 350227330469408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7398 + ... + 9010.

It is an arithmetic number, because the mean of its divisors is an integer number (1107204).

Almost surely, 213233052 is an apocalyptic number.

It is an amenable number.

13233052 is an abundant number, since it is smaller than the sum of its proper divisors (13339844).

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

13233052 is a wasteful number, since it uses less digits than its factorization.

13233052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 13233052 is about 3637.7262128973. The cubic root of 13233052 is about 236.5302403125.

Adding to 13233052 its reverse (25033231), we get a palindrome (38266283).

The spelling of 13233052 in words is "thirteen million, two hundred thirty-three thousand, fifty-two".

Divisors: 1 2 4 7 14 28 293 586 1172 1613 2051 3226 4102 6452 8204 11291 22582 45164 472609 945218 1890436 3308263 6616526 13233052