Base | Representation |
---|---|
bin | 10010110010011… |
… | …001111000100000 |
3 | 210222002222101001 |
4 | 102302121320200 |
5 | 1121142444404 |
6 | 51135521344 |
7 | 10545116326 |
oct | 2262317040 |
9 | 728088331 |
10 | 315203104 |
11 | 151a18837 |
12 | 89689254 |
13 | 503c1a18 |
14 | 2dc0dd16 |
15 | 1ca137a4 |
hex | 12c99e20 |
315203104 has 48 divisors (see below), whose sum is σ = 636756120. Its totient is φ = 153538560.
The previous prime is 315203087. The next prime is 315203113. The reversal of 315203104 is 401302513.
It can be written as a sum of positive squares in 4 ways, for example, as 25522704 + 289680400 = 5052^2 + 17020^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219862 + ... + 221290.
Almost surely, 2315203104 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 315203104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318378060).
315203104 is an abundant number, since it is smaller than the sum of its proper divisors (321553016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315203104 is a wasteful number, since it uses less digits than its factorization.
315203104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1613 (or 1605 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 315203104 is about 17753.9602342689. The cubic root of 315203104 is about 680.5554170365. Note that the first 3 decimals are identical.
Adding to 315203104 its reverse (401302513), we get a palindrome (716505617).
The spelling of 315203104 in words is "three hundred fifteen million, two hundred three thousand, one hundred four".
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