Base | Representation |
---|---|
bin | 110010000000… |
… | …010010011100 |
3 | 220122222022120 |
4 | 302000102130 |
5 | 11323432010 |
6 | 1144542540 |
7 | 216263565 |
oct | 62002234 |
9 | 26588276 |
10 | 13108380 |
11 | 744357a |
12 | 4481a50 |
13 | 293c64c |
14 | 1a5316c |
15 | 123de70 |
hex | c8049c |
13108380 has 48 divisors (see below), whose sum is σ = 36923040. Its totient is φ = 3474688.
The previous prime is 13108363. The next prime is 13108387. The reversal of 13108380 is 8380131.
It is a self number, because there is not a number n which added to its sum of digits gives 13108380.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13108387) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11266 + ... + 12374.
It is an arithmetic number, because the mean of its divisors is an integer number (769230).
Almost surely, 213108380 is an apocalyptic number.
13108380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13108380 is an abundant number, since it is smaller than the sum of its proper divisors (23814660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13108380 is a wasteful number, since it uses less digits than its factorization.
13108380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1318 (or 1316 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 24.
The square root of 13108380 is about 3620.5496820234. The cubic root of 13108380 is about 235.7850911518.
The spelling of 13108380 in words is "thirteen million, one hundred eight thousand, three hundred eighty".
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