Base | Representation |
---|---|
bin | 10010110001101… |
… | …010010110111010 |
3 | 210221202002100100 |
4 | 102301222112322 |
5 | 1121120232232 |
6 | 51131420230 |
7 | 10543345650 |
oct | 2261522672 |
9 | 727662310 |
10 | 315008442 |
11 | 1518a5561 |
12 | 895b4676 |
13 | 50354238 |
14 | 2db9cdd0 |
15 | 1c9c5c7c |
hex | 12c6a5ba |
315008442 has 24 divisors (see below), whose sum is σ = 780021216. Its totient is φ = 90002376.
The previous prime is 315008431. The next prime is 315008459. The reversal of 315008442 is 244800513.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1249908 + ... + 1250159.
It is an arithmetic number, because the mean of its divisors is an integer number (32500884).
Almost surely, 2315008442 is an apocalyptic number.
315008442 is an abundant number, since it is smaller than the sum of its proper divisors (465012774).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315008442 is a wasteful number, since it uses less digits than its factorization.
315008442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2500082 (or 2500079 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 315008442 is about 17748.4771741127. The cubic root of 315008442 is about 680.4152898633.
Adding to 315008442 its reverse (244800513), we get a palindrome (559808955).
The spelling of 315008442 in words is "three hundred fifteen million, eight thousand, four hundred forty-two".
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