Base | Representation |
---|---|
bin | 10010101010100… |
… | …011101101110001 |
3 | 210211020110212100 |
4 | 102222203231301 |
5 | 1120131134400 |
6 | 51023451013 |
7 | 10521461520 |
oct | 2252435561 |
9 | 724213770 |
10 | 313146225 |
11 | 150843437 |
12 | 88a56a69 |
13 | 4cb51732 |
14 | 2d8364b7 |
15 | 1c759100 |
hex | 12aa3b71 |
313146225 has 36 divisors (see below), whose sum is σ = 641008576. Its totient is φ = 143151840.
The previous prime is 313146203. The next prime is 313146241. The reversal of 313146225 is 522641313.
313146225 is a `hidden beast` number, since 3 + 1 + 31 + 4 + 622 + 5 = 666.
It is not a de Polignac number, because 313146225 - 25 = 313146193 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 97837 + ... + 100986.
Almost surely, 2313146225 is an apocalyptic number.
313146225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
313146225 is an abundant number, since it is smaller than the sum of its proper divisors (327862351).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313146225 is a wasteful number, since it uses less digits than its factorization.
313146225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 198846 (or 198838 counting only the distinct ones).
The product of its digits is 4320, while the sum is 27.
The square root of 313146225 is about 17695.9380932461. The cubic root of 313146225 is about 679.0718486239.
Adding to 313146225 its reverse (522641313), we get a palindrome (835787538).
The spelling of 313146225 in words is "three hundred thirteen million, one hundred forty-six thousand, two hundred twenty-five".
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