Base | Representation |
---|---|
bin | 110001101111… |
… | …001111001010 |
3 | 220112102111211 |
4 | 301233033022 |
5 | 11314213123 |
6 | 1143243334 |
7 | 215553142 |
oct | 61571712 |
9 | 26472454 |
10 | 13038538 |
11 | 73a6057 |
12 | 444954a |
13 | 2916916 |
14 | 1a35922 |
15 | 122840d |
hex | c6f3ca |
13038538 has 8 divisors (see below), whose sum is σ = 20188800. Its totient is φ = 6308940.
The previous prime is 13038523. The next prime is 13038547. The reversal of 13038538 is 83583031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105088 + ... + 105211.
It is an arithmetic number, because the mean of its divisors is an integer number (2523600).
Almost surely, 213038538 is an apocalyptic number.
13038538 is a deficient number, since it is larger than the sum of its proper divisors (7150262).
13038538 is a wasteful number, since it uses less digits than its factorization.
13038538 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210332.
The product of its (nonzero) digits is 8640, while the sum is 31.
The square root of 13038538 is about 3610.8915796518. The cubic root of 13038538 is about 235.3655875954.
The spelling of 13038538 in words is "thirteen million, thirty-eight thousand, five hundred thirty-eight".
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