Base | Representation |
---|---|
bin | 110101000010… |
… | …100010110100 |
3 | 222011101202220 |
4 | 311002202310 |
5 | 12024412202 |
6 | 1214002340 |
7 | 226116411 |
oct | 65024264 |
9 | 28141686 |
10 | 13904052 |
11 | 7937358 |
12 | 47a63b0 |
13 | 2b5a866 |
14 | 1bbd108 |
15 | 1349abc |
hex | d428b4 |
13904052 has 24 divisors (see below), whose sum is σ = 33854016. Its totient is φ = 4433088.
The previous prime is 13904047. The next prime is 13904083. The reversal of 13904052 is 25040931.
It is a plaindrome in base 15.
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, 24913 + ... + 25464.
It is an arithmetic number, because the mean of its divisors is an integer number (1410584).
Almost surely, 213904052 is an apocalyptic number.
13904052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13904052 is an abundant number, since it is smaller than the sum of its proper divisors (19949964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13904052 is a wasteful number, since it uses less digits than its factorization.
13904052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50407 (or 50405 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 13904052 is about 3728.8137523883. The cubic root of 13904052 is about 240.4623725320.
Adding to 13904052 its reverse (25040931), we get a palindrome (38944983).
The spelling of 13904052 in words is "thirteen million, nine hundred four thousand, fifty-two".
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