Base | Representation |
---|---|
bin | 110001111011… |
… | …110010010110 |
3 | 220122001000200 |
4 | 301323302112 |
5 | 11322334232 |
6 | 1144321330 |
7 | 216156045 |
oct | 61736226 |
9 | 26561020 |
10 | 13089942 |
11 | 7430738 |
12 | 4473246 |
13 | 2934138 |
14 | 1a4a55c |
15 | 123877c |
hex | c7bc96 |
13089942 has 24 divisors (see below), whose sum is σ = 28683720. Its totient is φ = 4313760.
The previous prime is 13089941. The next prime is 13089959. The reversal of 13089942 is 24998031.
It is a junction number, because it is equal to n+sod(n) for n = 13089897 and 13089906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13089941) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2484 + ... + 5687.
It is an arithmetic number, because the mean of its divisors is an integer number (1195155).
Almost surely, 213089942 is an apocalyptic number.
13089942 is an abundant number, since it is smaller than the sum of its proper divisors (15593778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13089942 is a wasteful number, since it uses less digits than its factorization.
13089942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8268 (or 8265 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 13089942 is about 3618.0024875613. The cubic root of 13089942 is about 235.6744889917.
The spelling of 13089942 in words is "thirteen million, eighty-nine thousand, nine hundred forty-two".
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