Base | Representation |
---|---|
bin | 110011001000… |
… | …001100100000 |
3 | 221012221100011 |
4 | 303020030200 |
5 | 11412343122 |
6 | 1155134304 |
7 | 221631355 |
oct | 63101440 |
9 | 27187304 |
10 | 13402912 |
11 | 7624896 |
12 | 45a4394 |
13 | 2a13723 |
14 | 1acc62c |
15 | 129b377 |
hex | cc8320 |
13402912 has 48 divisors (see below), whose sum is σ = 27820800. Its totient is φ = 6347520.
The previous prime is 13402897. The next prime is 13402913. The reversal of 13402912 is 21920431.
It is a nialpdrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (13402913) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58414 + ... + 58642.
It is an arithmetic number, because the mean of its divisors is an integer number (579600).
Almost surely, 213402912 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 13402912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13910400).
13402912 is an abundant number, since it is smaller than the sum of its proper divisors (14417888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13402912 is a wasteful number, since it uses less digits than its factorization.
13402912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 329 (or 321 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 13402912 is about 3660.9987708274. The cubic root of 13402912 is about 237.5379780449.
The spelling of 13402912 in words is "thirteen million, four hundred two thousand, nine hundred twelve".
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