Base | Representation |
---|---|
bin | 10010110010001… |
… | …000110100011010 |
3 | 210221222102111101 |
4 | 102302020310122 |
5 | 1121133230320 |
6 | 51134222014 |
7 | 10544405500 |
oct | 2262106432 |
9 | 727872441 |
10 | 315133210 |
11 | 151980277 |
12 | 8965490a |
13 | 50398c72 |
14 | 2dbd2670 |
15 | 1c9ecc0a |
hex | 12c88d1a |
315133210 has 24 divisors (see below), whose sum is σ = 659851380. Its totient is φ = 108045504.
The previous prime is 315133193. The next prime is 315133213. The reversal of 315133210 is 12331513.
It can be written as a sum of positive squares in 2 ways, for example, as 277788889 + 37344321 = 16667^2 + 6111^2 .
It is not an unprimeable number, because it can be changed into a prime (315133213) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321075 + ... + 322054.
Almost surely, 2315133210 is an apocalyptic number.
315133210 is an abundant number, since it is smaller than the sum of its proper divisors (344718170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315133210 is a wasteful number, since it uses less digits than its factorization.
315133210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 643150 (or 643143 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 19.
The square root of 315133210 is about 17751.9917192410. The cubic root of 315133210 is about 680.5051105769.
Adding to 315133210 its reverse (12331513), we get a palindrome (327464723).
The spelling of 315133210 in words is "three hundred fifteen million, one hundred thirty-three thousand, two hundred ten".
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