Base | Representation |
---|---|
bin | 110010100011… |
… | …000110101110 |
3 | 220221012221102 |
4 | 302203012232 |
5 | 11343012430 |
6 | 1152003102 |
7 | 220426424 |
oct | 62430656 |
9 | 26835842 |
10 | 13250990 |
11 | 7530735 |
12 | 4530492 |
13 | 298c52c |
14 | 1a8d114 |
15 | 126b345 |
hex | ca31ae |
13250990 has 32 divisors (see below), whose sum is σ = 26360640. Its totient is φ = 4770304.
The previous prime is 13250989. The next prime is 13251001. The reversal of 13250990 is 9905231.
13250990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
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, 2216 + ... + 5604.
It is an arithmetic number, because the mean of its divisors is an integer number (823770).
Almost surely, 213250990 is an apocalyptic number.
13250990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13250990 is a deficient number, since it is larger than the sum of its proper divisors (13109650).
13250990 is a wasteful number, since it uses less digits than its factorization.
13250990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3436.
The product of its (nonzero) digits is 2430, while the sum is 29.
The square root of 13250990 is about 3640.1909290585. The cubic root of 13250990 is about 236.6370678671.
The spelling of 13250990 in words is "thirteen million, two hundred fifty thousand, nine hundred ninety".
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