Base | Representation |
---|---|
bin | 10010100111110… |
… | …011101100100101 |
3 | 210202212211212200 |
4 | 102213303230211 |
5 | 1114440102003 |
6 | 51000205113 |
7 | 10512366540 |
oct | 2247635445 |
9 | 722784780 |
10 | 312425253 |
11 | 1503a0798 |
12 | 88769799 |
13 | 4c95b51a |
14 | 2d6c9857 |
15 | 1c6656a3 |
hex | 129f3b25 |
312425253 has 24 divisors (see below), whose sum is σ = 517640448. Its totient is φ = 177874272.
The previous prime is 312425249. The next prime is 312425279. The reversal of 312425253 is 352524213.
It is a happy number.
It is not a de Polignac number, because 312425253 - 22 = 312425249 is a prime.
It is a super-2 number, since 2×3124252532 = 195219077424228018, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312425203) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8500 + ... + 26402.
It is an arithmetic number, because the mean of its divisors is an integer number (21568352).
Almost surely, 2312425253 is an apocalyptic number.
It is an amenable number.
312425253 is a deficient number, since it is larger than the sum of its proper divisors (205215195).
312425253 is a wasteful number, since it uses less digits than its factorization.
312425253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18193 (or 18190 counting only the distinct ones).
The product of its digits is 7200, while the sum is 27.
The square root of 312425253 is about 17675.5552388037. Note that the first 3 decimals coincide. The cubic root of 312425253 is about 678.5502946147.
Adding to 312425253 its reverse (352524213), we get a palindrome (664949466).
The spelling of 312425253 in words is "three hundred twelve million, four hundred twenty-five thousand, two hundred fifty-three".
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