Base | Representation |
---|---|
bin | 110011011101… |
… | …000000001100 |
3 | 221101021020202 |
4 | 303131000030 |
5 | 11423110030 |
6 | 1201033032 |
7 | 222435011 |
oct | 63350014 |
9 | 27337222 |
10 | 13488140 |
11 | 7682926 |
12 | 4625778 |
13 | 2a43463 |
14 | 1b11708 |
15 | 12b6745 |
hex | cdd00c |
13488140 has 24 divisors (see below), whose sum is σ = 29992032. Its totient is φ = 5077760.
The previous prime is 13488127. The next prime is 13488149. The reversal of 13488140 is 4188431.
It is not an unprimeable number, because it can be changed into a prime (13488149) 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, 19496 + ... + 20175.
It is an arithmetic number, because the mean of its divisors is an integer number (1249668).
Almost surely, 213488140 is an apocalyptic number.
13488140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13488140 is an abundant number, since it is smaller than the sum of its proper divisors (16503892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13488140 is a wasteful number, since it uses less digits than its factorization.
13488140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39697 (or 39695 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 29.
The square root of 13488140 is about 3672.6203179746. The cubic root of 13488140 is about 238.0404093051.
The spelling of 13488140 in words is "thirteen million, four hundred eighty-eight thousand, one hundred forty".
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