Base | Representation |
---|---|
bin | 10010101010010… |
… | …001101011110011 |
3 | 210211002201120000 |
4 | 102222101223303 |
5 | 1120121303441 |
6 | 51022121043 |
7 | 10521033303 |
oct | 2252215363 |
9 | 724081500 |
10 | 313072371 |
11 | 1507a29a7 |
12 | 88a20183 |
13 | 4cb26c31 |
14 | 2d817603 |
15 | 1c7422b6 |
hex | 12a91af3 |
313072371 has 20 divisors (see below), whose sum is σ = 483806400. Its totient is φ = 201516336.
The previous prime is 313072321. The next prime is 313072381. The reversal of 313072371 is 173270313.
It is not a de Polignac number, because 313072371 - 211 = 313070323 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (313072321) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64291 + ... + 68988.
It is an arithmetic number, because the mean of its divisors is an integer number (24190320).
Almost surely, 2313072371 is an apocalyptic number.
313072371 is a deficient number, since it is larger than the sum of its proper divisors (170734029).
313072371 is a wasteful number, since it uses less digits than its factorization.
313072371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133320 (or 133311 counting only the distinct ones).
The product of its (nonzero) digits is 2646, while the sum is 27.
The square root of 313072371 is about 17693.8512201273. The cubic root of 313072371 is about 679.0184591724.
The spelling of 313072371 in words is "three hundred thirteen million, seventy-two thousand, three hundred seventy-one".
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