Base | Representation |
---|---|
bin | 110011000100… |
… | …000100111010 |
3 | 221012002012100 |
4 | 303010010322 |
5 | 11411323132 |
6 | 1154524230 |
7 | 221531235 |
oct | 63040472 |
9 | 27162170 |
10 | 13386042 |
11 | 761314a |
12 | 4596676 |
13 | 2a08b47 |
14 | 1ac641c |
15 | 129637c |
hex | cc413a |
13386042 has 12 divisors (see below), whose sum is σ = 29003130. Its totient is φ = 4462008.
The previous prime is 13386019. The next prime is 13386047. The reversal of 13386042 is 24068331.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 7080921 + 6305121 = 2661^2 + 2511^2 .
It is a super-2 number, since 2×133860422 = 358372240851528, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13385997 and 13386015.
It is not an unprimeable number, because it can be changed into a prime (13386047) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 371817 + ... + 371852.
Almost surely, 213386042 is an apocalyptic number.
13386042 is an abundant number, since it is smaller than the sum of its proper divisors (15617088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13386042 is a wasteful number, since it uses less digits than its factorization.
13386042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 743677 (or 743674 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 13386042 is about 3658.6940292952. The cubic root of 13386042 is about 237.4382746333.
The spelling of 13386042 in words is "thirteen million, three hundred eighty-six thousand, forty-two".
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