Base | Representation |
---|---|
bin | 110011111010… |
… | …010000110110 |
3 | 221121100122122 |
4 | 303322100312 |
5 | 11440423430 |
6 | 1203355542 |
7 | 223444304 |
oct | 63722066 |
9 | 27540578 |
10 | 13607990 |
11 | 7754980 |
12 | 4682bb2 |
13 | 2a85b86 |
14 | 1b43274 |
15 | 12dbee5 |
hex | cfa436 |
13607990 has 64 divisors (see below), whose sum is σ = 29859840. Its totient is φ = 4400640.
The previous prime is 13607981. The next prime is 13608013. The reversal of 13607990 is 9970631.
It is a self number, because there is not a number n which added to its sum of digits gives 13607990.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 35339 + ... + 35721.
It is an arithmetic number, because the mean of its divisors is an integer number (466560).
Almost surely, 213607990 is an apocalyptic number.
13607990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13607990 is an abundant number, since it is smaller than the sum of its proper divisors (16251850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13607990 is a wasteful number, since it uses less digits than its factorization.
13607990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 437.
The product of its (nonzero) digits is 10206, while the sum is 35.
The square root of 13607990 is about 3688.9009203284. The cubic root of 13607990 is about 238.7433739926.
The spelling of 13607990 in words is "thirteen million, six hundred seven thousand, nine hundred ninety".
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