Base | Representation |
---|---|
bin | 110001111011… |
… | …110001111101 |
3 | 220122000222202 |
4 | 301323301331 |
5 | 11322334132 |
6 | 1144321245 |
7 | 216156011 |
oct | 61736175 |
9 | 26560882 |
10 | 13089917 |
11 | 7430715 |
12 | 4473225 |
13 | 2934119 |
14 | 1a4a541 |
15 | 1238762 |
hex | c7bc7d |
13089917 has 8 divisors (see below), whose sum is σ = 14013600. Its totient is φ = 12189744.
The previous prime is 13089911. The next prime is 13089941. The reversal of 13089917 is 71998031.
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 13089917 - 222 = 8895613 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 (13089911) 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, 4718 + ... + 6959.
It is an arithmetic number, because the mean of its divisors is an integer number (1751700).
Almost surely, 213089917 is an apocalyptic number.
It is an amenable number.
13089917 is a deficient number, since it is larger than the sum of its proper divisors (923683).
13089917 is a wasteful number, since it uses less digits than its factorization.
13089917 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11755.
The product of its (nonzero) digits is 13608, while the sum is 38.
The square root of 13089917 is about 3617.9990326146. Note that the first 3 decimals coincide. The cubic root of 13089917 is about 235.6743389562.
The spelling of 13089917 in words is "thirteen million, eighty-nine thousand, nine hundred seventeen".
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