Base | Representation |
---|---|
bin | 110100001110… |
… | …111111011001 |
3 | 221202200010001 |
4 | 310032333121 |
5 | 12001133024 |
6 | 1205253001 |
7 | 224246650 |
oct | 64167731 |
9 | 27680101 |
10 | 13692889 |
11 | 7802741 |
12 | 4704161 |
13 | 2ab5702 |
14 | 1b66197 |
15 | 1307244 |
hex | d0efd9 |
13692889 has 8 divisors (see below), whose sum is σ = 16329600. Its totient is φ = 11226336.
The previous prime is 13692883. The next prime is 13692919. The reversal of 13692889 is 98829631.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13692889 - 23 = 13692881 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13692881) 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, 42364 + ... + 42685.
It is an arithmetic number, because the mean of its divisors is an integer number (2041200).
Almost surely, 213692889 is an apocalyptic number.
It is an amenable number.
13692889 is a deficient number, since it is larger than the sum of its proper divisors (2636711).
13692889 is an equidigital number, since it uses as much as digits as its factorization.
13692889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85079.
The product of its digits is 186624, while the sum is 46.
The square root of 13692889 is about 3700.3903848108. The cubic root of 13692889 is about 239.2388443477.
It can be divided in two parts, 136 and 92889, that added together give a square (93025 = 3052).
The spelling of 13692889 in words is "thirteen million, six hundred ninety-two thousand, eight hundred eighty-nine".
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