Base | Representation |
---|---|
bin | 110001111011… |
… | …101001101101 |
3 | 220122000021012 |
4 | 301323221231 |
5 | 11322330024 |
6 | 1144315005 |
7 | 216154325 |
oct | 61735155 |
9 | 26560235 |
10 | 13089389 |
11 | 7430285 |
12 | 4472a65 |
13 | 2933b01 |
14 | 1a4a285 |
15 | 123850e |
hex | c7ba6d |
13089389 has 8 divisors (see below), whose sum is σ = 13291872. Its totient is φ = 12888720.
The previous prime is 13089383. The next prime is 13089397. The reversal of 13089389 is 98398031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13089389 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13089383) 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, 21047 + ... + 21659.
It is an arithmetic number, because the mean of its divisors is an integer number (1661484).
Almost surely, 213089389 is an apocalyptic number.
It is an amenable number.
13089389 is a deficient number, since it is larger than the sum of its proper divisors (202483).
13089389 is a wasteful number, since it uses less digits than its factorization.
13089389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 907.
The product of its (nonzero) digits is 46656, while the sum is 41.
The square root of 13089389 is about 3617.9260633683. The cubic root of 13089389 is about 235.6711701629.
The spelling of 13089389 in words is "thirteen million, eighty-nine thousand, three hundred eighty-nine".
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