Base | Representation |
---|---|
bin | 10010110010001… |
… | …111101100110000 |
3 | 210222000212011011 |
4 | 102302033230300 |
5 | 1121140131032 |
6 | 51135000304 |
7 | 10544553610 |
oct | 2262175460 |
9 | 728025134 |
10 | 315161392 |
11 | 15199a467 |
12 | 89669094 |
13 | 503a8a40 |
14 | 2dbdca40 |
15 | 1ca06247 |
hex | 12c8fb30 |
315161392 has 80 divisors (see below), whose sum is σ = 755576640. Its totient is φ = 124010496.
The previous prime is 315161377. The next prime is 315161393. The reversal of 315161392 is 293161513.
It is a happy number.
315161392 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (315161393) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338784 + ... + 339712.
It is an arithmetic number, because the mean of its divisors is an integer number (9444708).
Almost surely, 2315161392 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 315161392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377788320).
315161392 is an abundant number, since it is smaller than the sum of its proper divisors (440415248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315161392 is a wasteful number, since it uses less digits than its factorization.
315161392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1190 (or 1184 counting only the distinct ones).
The product of its digits is 4860, while the sum is 31.
The square root of 315161392 is about 17752.7854715816. The cubic root of 315161392 is about 680.5253955683.
The spelling of 315161392 in words is "three hundred fifteen million, one hundred sixty-one thousand, three hundred ninety-two".
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