Base | Representation |
---|---|
bin | 10010110100111… |
… | …100001000000000 |
3 | 211000100201221210 |
4 | 102310330020000 |
5 | 1121330231043 |
6 | 51202050120 |
7 | 10553554635 |
oct | 2264741000 |
9 | 730321853 |
10 | 315867648 |
11 | 152332048 |
12 | 89949940 |
13 | 50595345 |
14 | 2dd4418c |
15 | 1cae5633 |
hex | 12d3c200 |
315867648 has 80 divisors (see below), whose sum is σ = 878175936. Its totient is φ = 100700160.
The previous prime is 315867613. The next prime is 315867659. The reversal of 315867648 is 846768513.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 315867597 and 315867606.
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, 30858 + ... + 39798.
Almost surely, 2315867648 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 315867648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439087968).
315867648 is an abundant number, since it is smaller than the sum of its proper divisors (562308288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315867648 is an equidigital number, since it uses as much as digits as its factorization.
315867648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8985 (or 8969 counting only the distinct ones).
The product of its digits is 967680, while the sum is 48.
The square root of 315867648 is about 17772.6657539042. The cubic root of 315867648 is about 681.0333539094.
The spelling of 315867648 in words is "three hundred fifteen million, eight hundred sixty-seven thousand, six hundred forty-eight".
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