Base | Representation |
---|---|
bin | 110010111100… |
… | …100101111100 |
3 | 221010112011000 |
4 | 302330211330 |
5 | 11404333023 |
6 | 1154130300 |
7 | 221342664 |
oct | 62744574 |
9 | 27115130 |
10 | 13355388 |
11 | 75a2112 |
12 | 4580990 |
13 | 29c7bc7 |
14 | 1ab91a4 |
15 | 128c243 |
hex | cbc97c |
13355388 has 24 divisors (see below), whose sum is σ = 34625360. Its totient is φ = 4451760.
The previous prime is 13355371. The next prime is 13355393. The reversal of 13355388 is 88355331.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61723 + ... + 61938.
Almost surely, 213355388 is an apocalyptic number.
13355388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
13355388 is an abundant number, since it is smaller than the sum of its proper divisors (21269972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13355388 is a wasteful number, since it uses less digits than its factorization.
13355388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123674 (or 123666 counting only the distinct ones).
The product of its digits is 43200, while the sum is 36.
The square root of 13355388 is about 3654.5024285120. The cubic root of 13355388 is about 237.2568917716.
The spelling of 13355388 in words is "thirteen million, three hundred fifty-five thousand, three hundred eighty-eight".
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