Base | Representation |
---|---|
bin | 110010110001… |
… | …010000110100 |
3 | 221001011111012 |
4 | 302301100310 |
5 | 11401341410 |
6 | 1153131352 |
7 | 221060456 |
oct | 62612064 |
9 | 27034435 |
10 | 13308980 |
11 | 7570263 |
12 | 4559b58 |
13 | 29aca49 |
14 | 1aa62d6 |
15 | 127d605 |
hex | cb1434 |
13308980 has 24 divisors (see below), whose sum is σ = 28409640. Its totient is φ = 5235840.
The previous prime is 13308979. The next prime is 13308991. The reversal of 13308980 is 8980331.
It can be written as a sum of positive squares in 4 ways, for example, as 190096 + 13118884 = 436^2 + 3622^2 .
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, 4235 + ... + 6674.
It is an arithmetic number, because the mean of its divisors is an integer number (1183735).
Almost surely, 213308980 is an apocalyptic number.
13308980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13308980 is an abundant number, since it is smaller than the sum of its proper divisors (15100660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13308980 is a wasteful number, since it uses less digits than its factorization.
13308980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10979 (or 10977 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 32.
The square root of 13308980 is about 3648.1474750892. The cubic root of 13308980 is about 236.9817619654.
The spelling of 13308980 in words is "thirteen million, three hundred eight thousand, nine hundred eighty".
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