Base | Representation |
---|---|
bin | 110010010100… |
… | …011011001000 |
3 | 220211011110020 |
4 | 302110123020 |
5 | 11334101411 |
6 | 1150420440 |
7 | 220056210 |
oct | 62243310 |
9 | 26734406 |
10 | 13190856 |
11 | 749a538 |
12 | 4501720 |
13 | 296b053 |
14 | 1a75240 |
15 | 1258606 |
hex | c946c8 |
13190856 has 32 divisors (see below), whose sum is σ = 37688640. Its totient is φ = 3768768.
The previous prime is 13190851. The next prime is 13190873. The reversal of 13190856 is 65809131.
It is not an unprimeable number, because it can be changed into a prime (13190851) 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, 39091 + ... + 39426.
It is an arithmetic number, because the mean of its divisors is an integer number (1177770).
Almost surely, 213190856 is an apocalyptic number.
It is an amenable number.
13190856 is an abundant number, since it is smaller than the sum of its proper divisors (24497784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13190856 is a wasteful number, since it uses less digits than its factorization.
13190856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78533 (or 78529 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 33.
The square root of 13190856 is about 3631.9218053257. The cubic root of 13190856 is about 236.2785660148.
Adding to 13190856 its reverse (65809131), we get a palindrome (78999987).
The spelling of 13190856 in words is "thirteen million, one hundred ninety thousand, eight hundred fifty-six".
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