Base | Representation |
---|---|
bin | 11110000011011… |
… | …10111010010011 |
3 | 122120101122101011 |
4 | 33001232322103 |
5 | 1004020100111 |
6 | 41003351351 |
7 | 6150630646 |
oct | 1701567223 |
9 | 576348334 |
10 | 252112531 |
11 | 11a346970 |
12 | 70522557 |
13 | 40302118 |
14 | 256a9a5d |
15 | 17200021 |
hex | f06ee93 |
252112531 has 16 divisors (see below), whose sum is σ = 278910720. Its totient is φ = 225983520.
The previous prime is 252112519. The next prime is 252112537. The reversal of 252112531 is 135211252.
It is a cyclic number.
It is not a de Polignac number, because 252112531 - 219 = 251588243 is a prime.
It is a super-2 number, since 2×2521125312 = 127121456574451922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (252112537) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338946 + ... + 339688.
It is an arithmetic number, because the mean of its divisors is an integer number (17431920).
Almost surely, 2252112531 is an apocalyptic number.
252112531 is a deficient number, since it is larger than the sum of its proper divisors (26798189).
252112531 is a wasteful number, since it uses less digits than its factorization.
252112531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1146.
The product of its digits is 600, while the sum is 22.
The square root of 252112531 is about 15878.0518641299. The cubic root of 252112531 is about 631.7299651211.
Adding to 252112531 its reverse (135211252), we get a palindrome (387323783).
The spelling of 252112531 in words is "two hundred fifty-two million, one hundred twelve thousand, five hundred thirty-one".
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