Base | Representation |
---|---|
bin | 10010100010100… |
… | …001100010000100 |
3 | 210200021110211220 |
4 | 102202201202010 |
5 | 1114111241012 |
6 | 50510400340 |
7 | 10464540354 |
oct | 2242414204 |
9 | 720243756 |
10 | 311040132 |
11 | 14a635067 |
12 | 882000b0 |
13 | 4c594c20 |
14 | 2d448b64 |
15 | 1c49008c |
hex | 128a1884 |
311040132 has 48 divisors (see below), whose sum is σ = 815579520. Its totient is φ = 91542528.
The previous prime is 311040091. The next prime is 311040157. The reversal of 311040132 is 231040113.
311040132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39757 + ... + 46932.
It is an arithmetic number, because the mean of its divisors is an integer number (16991240).
Almost surely, 2311040132 is an apocalyptic number.
It is an amenable number.
311040132 is an abundant number, since it is smaller than the sum of its proper divisors (504539388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
311040132 is a wasteful number, since it uses less digits than its factorization.
311040132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86732 (or 86730 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 311040132 is about 17636.3298903145. The cubic root of 311040132 is about 677.5460366406.
Adding to 311040132 its reverse (231040113), we get a palindrome (542080245).
The spelling of 311040132 in words is "three hundred eleven million, forty thousand, one hundred thirty-two".
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