Base | Representation |
---|---|
bin | 110011000010… |
… | …010110100100 |
3 | 221011201111210 |
4 | 303002112210 |
5 | 11411111410 |
6 | 1154431420 |
7 | 221501526 |
oct | 63022644 |
9 | 27151453 |
10 | 13378980 |
11 | 760890a |
12 | 4592570 |
13 | 2a05874 |
14 | 1ac3a16 |
15 | 1294220 |
hex | cc25a4 |
13378980 has 48 divisors (see below), whose sum is σ = 38674944. Its totient is φ = 3452160.
The previous prime is 13378961. The next prime is 13378991. The reversal of 13378980 is 8987331.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1737 + ... + 5456.
It is an arithmetic number, because the mean of its divisors is an integer number (805728).
Almost surely, 213378980 is an apocalyptic number.
13378980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13378980 is an abundant number, since it is smaller than the sum of its proper divisors (25295964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13378980 is a wasteful number, since it uses less digits than its factorization.
13378980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7236 (or 7234 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 13378980 is about 3657.7288035064. The cubic root of 13378980 is about 237.3965126234.
The spelling of 13378980 in words is "thirteen million, three hundred seventy-eight thousand, nine hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •