Base | Representation |
---|---|
bin | 10010101011111… |
… | …100000011001111 |
3 | 210211220212012011 |
4 | 102223330003033 |
5 | 1120224224142 |
6 | 51035322051 |
7 | 10524526426 |
oct | 2253740317 |
9 | 724825164 |
10 | 313508047 |
11 | 150a70266 |
12 | 88bb0327 |
13 | 4cc4a328 |
14 | 2d8cc2bd |
15 | 1c7cb417 |
hex | 12afc0cf |
313508047 has 8 divisors (see below), whose sum is σ = 315287280. Its totient is φ = 311734080.
The previous prime is 313507927. The next prime is 313508059. The reversal of 313508047 is 740805313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 313508047 - 223 = 305119439 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313508077) 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, 184333 + ... + 186025.
It is an arithmetic number, because the mean of its divisors is an integer number (39410910).
Almost surely, 2313508047 is an apocalyptic number.
313508047 is a deficient number, since it is larger than the sum of its proper divisors (1779233).
313508047 is a wasteful number, since it uses less digits than its factorization.
313508047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2633.
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 313508047 is about 17706.1584484043. The cubic root of 313508047 is about 679.3332904506. Note that the first 3 decimals are identical.
The spelling of 313508047 in words is "three hundred thirteen million, five hundred eight thousand, forty-seven".
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