Base | Representation |
---|---|
bin | 10010110111001… |
… | …001110011101100 |
3 | 211001110020000120 |
4 | 102313021303230 |
5 | 1122002313410 |
6 | 51222324540 |
7 | 10561522602 |
oct | 2267116354 |
9 | 731406016 |
10 | 316447980 |
11 | 152699062 |
12 | 89b89750 |
13 | 50739534 |
14 | 30055872 |
15 | 1cbac570 |
hex | 12dc9cec |
316447980 has 24 divisors (see below), whose sum is σ = 886054512. Its totient is φ = 84386112.
The previous prime is 316447973. The next prime is 316447981. The reversal of 316447980 is 89744613.
It is not an unprimeable number, because it can be changed into a prime (316447981) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2637007 + ... + 2637126.
It is an arithmetic number, because the mean of its divisors is an integer number (36918938).
Almost surely, 2316447980 is an apocalyptic number.
316447980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
316447980 is an abundant number, since it is smaller than the sum of its proper divisors (569606532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
316447980 is a wasteful number, since it uses less digits than its factorization.
316447980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5274145 (or 5274143 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 316447980 is about 17788.9847939673. The cubic root of 316447980 is about 681.4501779107.
The spelling of 316447980 in words is "three hundred sixteen million, four hundred forty-seven thousand, nine hundred eighty".
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