Base | Representation |
---|---|
bin | 110001111100… |
… | …000110101110 |
3 | 220122002210222 |
4 | 301330012232 |
5 | 11322404441 |
6 | 1144331342 |
7 | 216162620 |
oct | 61740656 |
9 | 26562728 |
10 | 13091246 |
11 | 7431713 |
12 | 4473b52 |
13 | 29348cc |
14 | 1a4ac10 |
15 | 1238d4b |
hex | c7c1ae |
13091246 has 12 divisors (see below), whose sum is σ = 22465368. Its totient is φ = 5604732.
The previous prime is 13091237. The next prime is 13091249. The reversal of 13091246 is 64219031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13091249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13055 + ... + 14021.
It is an arithmetic number, because the mean of its divisors is an integer number (1872114).
Almost surely, 213091246 is an apocalyptic number.
13091246 is a deficient number, since it is larger than the sum of its proper divisors (9374122).
13091246 is an frugal number, since it uses more digits than its factorization.
13091246 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1943 (or 976 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 13091246 is about 3618.1826930104. The cubic root of 13091246 is about 235.6823145759.
The spelling of 13091246 in words is "thirteen million, ninety-one thousand, two hundred forty-six".
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