Base | Representation |
---|---|
bin | 11110000100011… |
… | …11101111101111 |
3 | 122120122110212100 |
4 | 33002033233233 |
5 | 1004033401043 |
6 | 41010310143 |
7 | 6152031030 |
oct | 1702175757 |
9 | 576573770 |
10 | 252247023 |
11 | 11a428a16 |
12 | 70588353 |
13 | 4034b3c2 |
14 | 25702a87 |
15 | 17229cd3 |
hex | f08fbef |
252247023 has 24 divisors (see below), whose sum is σ = 416842400. Its totient is φ = 143990784.
The previous prime is 252246997. The next prime is 252247057. The reversal of 252247023 is 320742252.
It is not a de Polignac number, because 252247023 - 25 = 252246991 is a prime.
It is a super-2 number, since 2×2522470232 = 127257121224725058, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252247123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92463 + ... + 95151.
Almost surely, 2252247023 is an apocalyptic number.
252247023 is a deficient number, since it is larger than the sum of its proper divisors (164595377).
252247023 is a wasteful number, since it uses less digits than its factorization.
252247023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4191 (or 4188 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 27.
The square root of 252247023 is about 15882.2864537824. The cubic root of 252247023 is about 631.8422794152.
Adding to 252247023 its reverse (320742252), we get a palindrome (572989275).
The spelling of 252247023 in words is "two hundred fifty-two million, two hundred forty-seven thousand, twenty-three".
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