Base | Representation |
---|---|
bin | 11110000101001… |
… | …00010000001111 |
3 | 122120210202002110 |
4 | 33002210100033 |
5 | 1004044043043 |
6 | 41012155103 |
7 | 6152530650 |
oct | 1702442017 |
9 | 576722073 |
10 | 252331023 |
11 | 11a48603a |
12 | 70608a93 |
13 | 4037a6c9 |
14 | 25725527 |
15 | 17244b33 |
hex | f0a440f |
252331023 has 16 divisors (see below), whose sum is σ = 391023360. Its totient is φ = 141744576.
The previous prime is 252331003. The next prime is 252331033. The reversal of 252331023 is 320133252.
It is not a de Polignac number, because 252331023 - 26 = 252330959 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252331003) 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, 100590 + ... + 103067.
It is an arithmetic number, because the mean of its divisors is an integer number (24438960).
Almost surely, 2252331023 is an apocalyptic number.
252331023 is a deficient number, since it is larger than the sum of its proper divisors (138692337).
252331023 is a wasteful number, since it uses less digits than its factorization.
252331023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203726.
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 252331023 is about 15884.9306891783. The cubic root of 252331023 is about 631.9124075784.
Adding to 252331023 its reverse (320133252), we get a palindrome (572464275).
The spelling of 252331023 in words is "two hundred fifty-two million, three hundred thirty-one thousand, twenty-three".
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