Base | Representation |
---|---|
bin | 110010110010… |
… | …111011110110 |
3 | 221001111212220 |
4 | 302302323312 |
5 | 11402101310 |
6 | 1153223210 |
7 | 221116443 |
oct | 62627366 |
9 | 27044786 |
10 | 13315830 |
11 | 7575420 |
12 | 4561b06 |
13 | 29b2bb8 |
14 | 1aa89ca |
15 | 1280670 |
hex | cb2ef6 |
13315830 has 32 divisors (see below), whose sum is σ = 34864128. Its totient is φ = 3228000.
The previous prime is 13315817. The next prime is 13315831. The reversal of 13315830 is 3851331.
It is a super-2 number, since 2×133158302 = 354622657177800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13315830.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13315831) 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, 19846 + ... + 20505.
It is an arithmetic number, because the mean of its divisors is an integer number (1089504).
Almost surely, 213315830 is an apocalyptic number.
13315830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13315830 is an abundant number, since it is smaller than the sum of its proper divisors (21548298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13315830 is a wasteful number, since it uses less digits than its factorization.
13315830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40372.
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 13315830 is about 3649.0861869789. The cubic root of 13315830 is about 237.0224123796.
The spelling of 13315830 in words is "thirteen million, three hundred fifteen thousand, eight hundred thirty".
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