Base | Representation |
---|---|
bin | 10011101111100… |
… | …010101101010000 |
3 | 212002021020011222 |
4 | 103233202231100 |
5 | 1134243330112 |
6 | 52511224212 |
7 | 11131260140 |
oct | 2357425520 |
9 | 762236158 |
10 | 331230032 |
11 | 15aa75031 |
12 | 92b18068 |
13 | 53813903 |
14 | 31dc2920 |
15 | 1e12c372 |
hex | 13be2b50 |
331230032 has 40 divisors (see below), whose sum is σ = 750505536. Its totient is φ = 138652416.
The previous prime is 331229959. The next prime is 331230037. The reversal of 331230032 is 230032133.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (331230037) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29573 + ... + 39204.
Almost surely, 2331230032 is an apocalyptic number.
It is an amenable number.
331230032 is an abundant number, since it is smaller than the sum of its proper divisors (419275504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
331230032 is a wasteful number, since it uses less digits than its factorization.
331230032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68835 (or 68829 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 17.
The square root of 331230032 is about 18199.7261517859. The cubic root of 331230032 is about 691.8998485151.
Adding to 331230032 its reverse (230032133), we get a palindrome (561262165).
The spelling of 331230032 in words is "three hundred thirty-one million, two hundred thirty thousand, thirty-two".
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