Base | Representation |
---|---|
bin | 10010110100110… |
… | …101000101010001 |
3 | 211000022021101101 |
4 | 102310311011101 |
5 | 1121323320201 |
6 | 51201304401 |
7 | 10553404555 |
oct | 2264650521 |
9 | 730267341 |
10 | 315838801 |
11 | 152312403 |
12 | 89935101 |
13 | 50585185 |
14 | 2dd37865 |
15 | 1cadbd01 |
hex | 12d35151 |
315838801 has 4 divisors (see below), whose sum is σ = 334417572. Its totient is φ = 297260032.
The previous prime is 315838799. The next prime is 315838811. The reversal of 315838801 is 108838513.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 255232576 + 60606225 = 15976^2 + 7785^2 .
It is a cyclic number.
It is not a de Polignac number, because 315838801 - 21 = 315838799 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (315838811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9289360 + ... + 9289393.
It is an arithmetic number, because the mean of its divisors is an integer number (83604393).
Almost surely, 2315838801 is an apocalyptic number.
It is an amenable number.
315838801 is a deficient number, since it is larger than the sum of its proper divisors (18578771).
315838801 is a wasteful number, since it uses less digits than its factorization.
315838801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18578770.
The product of its (nonzero) digits is 23040, while the sum is 37.
The square root of 315838801 is about 17771.8541801355. The cubic root of 315838801 is about 681.0126212097.
The spelling of 315838801 in words is "three hundred fifteen million, eight hundred thirty-eight thousand, eight hundred one".
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