Base | Representation |
---|---|
bin | 10010111001010… |
… | …001011000010000 |
3 | 211002111102202020 |
4 | 102321101120100 |
5 | 1122123101110 |
6 | 51242251440 |
7 | 10566324546 |
oct | 2271213020 |
9 | 732442666 |
10 | 317003280 |
11 | 152a38290 |
12 | 8a1b6b80 |
13 | 508a2209 |
14 | 3015bd96 |
15 | 1cc6bd70 |
hex | 12e51610 |
317003280 has 80 divisors (see below), whose sum is σ = 1072056384. Its totient is φ = 76848640.
The previous prime is 317003279. The next prime is 317003287. The reversal of 317003280 is 82300713.
317003280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 317003280.
It is not an unprimeable number, because it can be changed into a prime (317003287) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57399 + ... + 62678.
Almost surely, 2317003280 is an apocalyptic number.
317003280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
317003280 is an abundant number, since it is smaller than the sum of its proper divisors (755053104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
317003280 is a wasteful number, since it uses less digits than its factorization.
317003280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120104 (or 120098 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 317003280 is about 17804.5859261034. The cubic root of 317003280 is about 681.8485458154.
Adding to 317003280 its reverse (82300713), we get a palindrome (399303993).
It can be divided in two parts, 31700 and 3280, that added together give a triangular number (34980 = T264).
The spelling of 317003280 in words is "three hundred seventeen million, three thousand, two hundred eighty".
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