Base | Representation |
---|---|
bin | 10010101100000… |
… | …011110100101000 |
3 | 210211222110212011 |
4 | 102230003310220 |
5 | 1120231234010 |
6 | 51040125304 |
7 | 10525021303 |
oct | 2254036450 |
9 | 724873764 |
10 | 313539880 |
11 | 150a92175 |
12 | 89006834 |
13 | 4cc5b974 |
14 | 2d8d9b3a |
15 | 1c7d5a8a |
hex | 12b03d28 |
313539880 has 64 divisors (see below), whose sum is σ = 738234000. Its totient is φ = 119691264.
The previous prime is 313539871. The next prime is 313539907. The reversal of 313539880 is 88935313.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 146458404 + 167081476 = 12102^2 + 12926^2 .
It is a Harshad number since it is a multiple of its sum of digits (40).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101722 + ... + 104758.
Almost surely, 2313539880 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 313539880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369117000).
313539880 is an abundant number, since it is smaller than the sum of its proper divisors (424694120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313539880 is a wasteful number, since it uses less digits than its factorization.
313539880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3166 (or 3162 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 40.
The square root of 313539880 is about 17707.0573501076. The cubic root of 313539880 is about 679.3562824013.
The spelling of 313539880 in words is "three hundred thirteen million, five hundred thirty-nine thousand, eight hundred eighty".
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