Base | Representation |
---|---|
bin | 10010101010011… |
… | …011100111000001 |
3 | 210211011210022201 |
4 | 102222123213001 |
5 | 1120124104100 |
6 | 51023033201 |
7 | 10521262651 |
oct | 2252334701 |
9 | 724153281 |
10 | 313113025 |
11 | 1508204a5 |
12 | 88a3b801 |
13 | 4cb3c5a4 |
14 | 2d828361 |
15 | 1c74e36a |
hex | 12a9b9c1 |
313113025 has 9 divisors (see below), whose sum is σ = 388369891. Its totient is φ = 250419640.
The previous prime is 313112999. The next prime is 313113037. The reversal of 313113025 is 520311313.
The square root of 313113025 is 17695.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 112720689 + 200392336 = 10617^2 + 14156^2 .
It is not a de Polignac number, because 313113025 - 27 = 313112897 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 313112993 and 313113011.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 86706 + ... + 90244.
Almost surely, 2313113025 is an apocalyptic number.
313113025 is the 17695-th square number.
313113025 is the 8848-th centered octagonal number.
It is an amenable number.
313113025 is a deficient number, since it is larger than the sum of its proper divisors (75256866).
313113025 is an frugal number, since it uses more digits than its factorization.
313113025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7088 (or 3544 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 19.
The cubic root of 313113025 is about 679.0478492051.
Adding to 313113025 its reverse (520311313), we get a palindrome (833424338).
The spelling of 313113025 in words is "three hundred thirteen million, one hundred thirteen thousand, twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •