Base | Representation |
---|---|
bin | 10010110010100… |
… | …001101011010110 |
3 | 210222011121011111 |
4 | 102302201223112 |
5 | 1121200010110 |
6 | 51140325234 |
7 | 10545311365 |
oct | 2262415326 |
9 | 728147144 |
10 | 315235030 |
11 | 151a3a820 |
12 | 896a381a |
13 | 50403406 |
14 | 2dc1b7dc |
15 | 1ca1ce8a |
hex | 12ca1ad6 |
315235030 has 64 divisors (see below), whose sum is σ = 634023936. Its totient is φ = 111888000.
The previous prime is 315235013. The next prime is 315235031. The reversal of 315235030 is 30532513.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 315234992 and 315235010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315235031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1413499 + ... + 1413721.
It is an arithmetic number, because the mean of its divisors is an integer number (9906624).
Almost surely, 2315235030 is an apocalyptic number.
315235030 is an abundant number, since it is smaller than the sum of its proper divisors (318788906).
315235030 is a wasteful number, since it uses less digits than its factorization.
315235030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 493.
The product of its (nonzero) digits is 1350, while the sum is 22.
The square root of 315235030 is about 17754.8593348413. The cubic root of 315235030 is about 680.5783934163.
Adding to 315235030 its reverse (30532513), we get a palindrome (345767543).
The spelling of 315235030 in words is "three hundred fifteen million, two hundred thirty-five thousand, thirty".
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