Base | Representation |
---|---|
bin | 11110000101000… |
… | …10010110011111 |
3 | 122120210100101212 |
4 | 33002202112133 |
5 | 1004043320411 |
6 | 41012055035 |
7 | 6152466146 |
oct | 1702422637 |
9 | 576710355 |
10 | 252323231 |
11 | 11a4801a6 |
12 | 7060447b |
13 | 40376cb4 |
14 | 2572275d |
15 | 1724268b |
hex | f0a259f |
252323231 has 8 divisors (see below), whose sum is σ = 268645104. Its totient is φ = 236165760.
The previous prime is 252323221. The next prime is 252323251. The reversal of 252323231 is 132323252.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 252323231 - 222 = 248128927 is a prime.
It is a super-2 number, since 2×2523232312 = 127334025804558722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 252323197 and 252323206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252323221) 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, 37925 + ... + 44078.
It is an arithmetic number, because the mean of its divisors is an integer number (33580638).
Almost surely, 2252323231 is an apocalyptic number.
252323231 is a deficient number, since it is larger than the sum of its proper divisors (16321873).
252323231 is a wasteful number, since it uses less digits than its factorization.
252323231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82201.
The product of its digits is 2160, while the sum is 23.
The square root of 252323231 is about 15884.6854233882. The cubic root of 252323231 is about 631.9059030113.
Adding to 252323231 its reverse (132323252), we get a palindrome (384646483).
The spelling of 252323231 in words is "two hundred fifty-two million, three hundred twenty-three thousand, two hundred thirty-one".
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