Base | Representation |
---|---|
bin | 100000101100… |
… | …0001000111110 |
3 | 1012020201020120 |
4 | 1001120020332 |
5 | 13341410423 |
6 | 1411155410 |
7 | 265446465 |
oct | 101301076 |
9 | 35221216 |
10 | 17138238 |
11 | 9746237 |
12 | 58a5b66 |
13 | 3720990 |
14 | 23c19dc |
15 | 1787ee3 |
hex | 105823e |
17138238 has 16 divisors (see below), whose sum is σ = 36913296. Its totient is φ = 5273280.
The previous prime is 17138237. The next prime is 17138263. The reversal of 17138238 is 83283171.
It is a junction number, because it is equal to n+sod(n) for n = 17138199 and 17138208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (17138237) 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, 109783 + ... + 109938.
It is an arithmetic number, because the mean of its divisors is an integer number (2307081).
Almost surely, 217138238 is an apocalyptic number.
17138238 is an abundant number, since it is smaller than the sum of its proper divisors (19775058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17138238 is a wasteful number, since it uses less digits than its factorization.
17138238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 219739.
The product of its digits is 8064, while the sum is 33.
The square root of 17138238 is about 4139.8355039784. The cubic root of 17138238 is about 257.8232368935.
The spelling of 17138238 in words is "seventeen million, one hundred thirty-eight thousand, two hundred thirty-eight".
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