Base | Representation |
---|---|
bin | 110011111010… |
… | …001100000101 |
3 | 221121100020100 |
4 | 303322030011 |
5 | 11440421220 |
6 | 1203354313 |
7 | 223443360 |
oct | 63721405 |
9 | 27540210 |
10 | 13607685 |
11 | 7754723 |
12 | 4682999 |
13 | 2a859b0 |
14 | 1b430d7 |
15 | 12dbd90 |
hex | cfa305 |
13607685 has 48 divisors (see below), whose sum is σ = 29038464. Its totient is φ = 5740416.
The previous prime is 13607681. The next prime is 13607689. The reversal of 13607685 is 58670631.
13607685 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (13607681) and next prime (13607689).
It is not a de Polignac number, because 13607685 - 22 = 13607681 is a prime.
13607685 is strictly pandigital in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13607681) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2434 + ... + 5756.
It is an arithmetic number, because the mean of its divisors is an integer number (604968).
Almost surely, 213607685 is an apocalyptic number.
13607685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13607685 is an abundant number, since it is smaller than the sum of its proper divisors (15430779).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13607685 is a wasteful number, since it uses less digits than its factorization.
13607685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3354 (or 3351 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 13607685 is about 3688.8595798702. The cubic root of 13607685 is about 238.7415903035.
It can be divided in two parts, 136076 and 85, that added together give a square (136161 = 3692).
The spelling of 13607685 in words is "thirteen million, six hundred seven thousand, six hundred eighty-five".
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