Base | Representation |
---|---|
bin | 10010100011011… |
… | …001101111100100 |
3 | 210200201011200022 |
4 | 102203121233210 |
5 | 1114141122442 |
6 | 50515334312 |
7 | 10466516540 |
oct | 2243315744 |
9 | 720634608 |
10 | 311270372 |
11 | 14a782046 |
12 | 882b1398 |
13 | 4c64596a |
14 | 2d4a8a20 |
15 | 1c4d83d2 |
hex | 128d9be4 |
311270372 has 24 divisors (see below), whose sum is σ = 623663040. Its totient is φ = 133161120.
The previous prime is 311270363. The next prime is 311270389. The reversal of 311270372 is 273072113.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6254 + ... + 25722.
It is an arithmetic number, because the mean of its divisors is an integer number (25985960).
Almost surely, 2311270372 is an apocalyptic number.
It is an amenable number.
311270372 is an abundant number, since it is smaller than the sum of its proper divisors (312392668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
311270372 is a wasteful number, since it uses less digits than its factorization.
311270372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20051 (or 20049 counting only the distinct ones).
The product of its (nonzero) digits is 1764, while the sum is 26.
The square root of 311270372 is about 17642.8561179872. The cubic root of 311270372 is about 677.7131744769.
The spelling of 311270372 in words is "three hundred eleven million, two hundred seventy thousand, three hundred seventy-two".
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