Base | Representation |
---|---|
bin | 10010110011100… |
… | …101100011010010 |
3 | 210222200201112020 |
4 | 102303211203102 |
5 | 1121232404132 |
6 | 51150312310 |
7 | 10550550045 |
oct | 2263454322 |
9 | 728621466 |
10 | 315513042 |
11 | 15210a689 |
12 | 897b8696 |
13 | 5049cb10 |
14 | 2dc90c5c |
15 | 1ca7552c |
hex | 12ce58d2 |
315513042 has 32 divisors (see below), whose sum is σ = 684479040. Its totient is φ = 96379200.
The previous prime is 315513041. The next prime is 315513053. The reversal of 315513042 is 240315513.
It is not an unprimeable number, because it can be changed into a prime (315513041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3709 + ... + 25392.
It is an arithmetic number, because the mean of its divisors is an integer number (21389970).
Almost surely, 2315513042 is an apocalyptic number.
315513042 is an abundant number, since it is smaller than the sum of its proper divisors (368965998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315513042 is a wasteful number, since it uses less digits than its factorization.
315513042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29258.
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 315513042 is about 17762.6867900101. The cubic root of 315513042 is about 680.7784064723.
Adding to 315513042 its reverse (240315513), we get a palindrome (555828555).
The spelling of 315513042 in words is "three hundred fifteen million, five hundred thirteen thousand, forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •