Base | Representation |
---|---|
bin | 10010101101001… |
… | …110100011011100 |
3 | 210212120000202012 |
4 | 102231032203130 |
5 | 1120321032410 |
6 | 51050450352 |
7 | 10530434600 |
oct | 2255164334 |
9 | 725500665 |
10 | 313845980 |
11 | 151181148 |
12 | 891339b8 |
13 | 500380a6 |
14 | 2d979500 |
15 | 1c846605 |
hex | 12b4e8dc |
313845980 has 144 divisors (see below), whose sum is σ = 803579616. Its totient is φ = 102574080.
The previous prime is 313845979. The next prime is 313846031. The reversal of 313845980 is 89548313.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2933087 + ... + 2933193.
It is an arithmetic number, because the mean of its divisors is an integer number (5580414).
Almost surely, 2313845980 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 313845980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401789808).
313845980 is an abundant number, since it is smaller than the sum of its proper divisors (489733636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313845980 is a wasteful number, since it uses less digits than its factorization.
313845980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244 (or 235 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 41.
The square root of 313845980 is about 17715.6986878870. The cubic root of 313845980 is about 679.5772891863.
The spelling of 313845980 in words is "three hundred thirteen million, eight hundred forty-five thousand, nine hundred eighty".
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