Base | Representation |
---|---|
bin | 10011101111011… |
… | …100000111100010 |
3 | 212002012212011100 |
4 | 103233130013202 |
5 | 1134241444132 |
6 | 52510455230 |
7 | 11131115352 |
oct | 2357340742 |
9 | 762185140 |
10 | 331203042 |
11 | 15aa56825 |
12 | 92b04516 |
13 | 53804541 |
14 | 31db6b62 |
15 | 1e12437c |
hex | 13bdc1e2 |
331203042 has 24 divisors (see below), whose sum is σ = 731148444. Its totient is φ = 108317664.
The previous prime is 331203029. The next prime is 331203053. The reversal of 331203042 is 240302133.
331203042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 317873241 + 13329801 = 17829^2 + 3651^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 172633 + ... + 174540.
Almost surely, 2331203042 is an apocalyptic number.
331203042 is an abundant number, since it is smaller than the sum of its proper divisors (399945402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
331203042 is a wasteful number, since it uses less digits than its factorization.
331203042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 347234 (or 347231 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 331203042 is about 18198.9846420068. The cubic root of 331203042 is about 691.8810550460.
Adding to 331203042 its reverse (240302133), we get a palindrome (571505175).
Subtracting from 331203042 its reverse (240302133), we obtain a palindrome (90900909).
The spelling of 331203042 in words is "three hundred thirty-one million, two hundred three thousand, forty-two".
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