Base | Representation |
---|---|
bin | 10010111100101… |
… | …110010001110000 |
3 | 211011012101220100 |
4 | 102330232101300 |
5 | 1122341024310 |
6 | 51313512400 |
7 | 10610113500 |
oct | 2274562160 |
9 | 734171810 |
10 | 317908080 |
11 | 1534a6056 |
12 | 8a572700 |
13 | 50b2acb9 |
14 | 30315a00 |
15 | 1cd99ec0 |
hex | 12f2e470 |
317908080 has 180 divisors, whose sum is σ = 1242087912. Its totient is φ = 72656640.
The previous prime is 317908067. The next prime is 317908081. The reversal of 317908080 is 80809713.
It is a tau number, because it is divible by the number of its divisors (180).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (317908081) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30775 + ... + 39785.
Almost surely, 2317908080 is an apocalyptic number.
317908080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 317908080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621043956).
317908080 is an abundant number, since it is smaller than the sum of its proper divisors (924179832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
317908080 is a wasteful number, since it uses less digits than its factorization.
317908080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9044 (or 9028 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 36.
The square root of 317908080 is about 17829.9770050328. The cubic root of 317908080 is about 682.4966469263.
The spelling of 317908080 in words is "three hundred seventeen million, nine hundred eight thousand, eighty".
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