Base | Representation |
---|---|
bin | 11110000100001… |
… | …10010001101111 |
3 | 122120120111122220 |
4 | 33002012101233 |
5 | 1004031130424 |
6 | 41005410423 |
7 | 6151506663 |
oct | 1702062157 |
9 | 576514586 |
10 | 252208239 |
11 | 11a401868 |
12 | 70569a13 |
13 | 4033685a |
14 | 256d28a3 |
15 | 1721d579 |
hex | f08646f |
252208239 has 8 divisors (see below), whose sum is σ = 337028400. Its totient is φ = 167763456.
The previous prime is 252208217. The next prime is 252208241. The reversal of 252208239 is 932802252.
252208239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 252208239 - 25 = 252208207 is a prime.
It is a super-2 number, since 2×2522082392 = 127217991638962242, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252208279) 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, 92272 + ... + 94965.
It is an arithmetic number, because the mean of its divisors is an integer number (42128550).
Almost surely, 2252208239 is an apocalyptic number.
252208239 is a deficient number, since it is larger than the sum of its proper divisors (84820161).
252208239 is a wasteful number, since it uses less digits than its factorization.
252208239 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187689.
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 252208239 is about 15881.0654239569. The cubic root of 252208239 is about 631.8098949868.
The spelling of 252208239 in words is "two hundred fifty-two million, two hundred eight thousand, two hundred thirty-nine".
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