Base | Representation |
---|---|
bin | 10010111110001… |
… | …010011000111100 |
3 | 211011220120110010 |
4 | 102332022120330 |
5 | 1122440112442 |
6 | 51325543220 |
7 | 10613244456 |
oct | 2276123074 |
9 | 734816403 |
10 | 318285372 |
11 | 153733569 |
12 | 8a714b10 |
13 | 50c30952 |
14 | 303b32d6 |
15 | 1ce21b9c |
hex | 12f8a63c |
318285372 has 12 divisors (see below), whose sum is σ = 742665896. Its totient is φ = 106095120.
The previous prime is 318285367. The next prime is 318285377. The reversal of 318285372 is 273582813.
It is an interprime number because it is at equal distance from previous prime (318285367) and next prime (318285377).
It is a tau number, because it is divible by the number of its divisors (12).
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 318285372.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (318285377) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13261879 + ... + 13261902.
Almost surely, 2318285372 is an apocalyptic number.
It is an amenable number.
318285372 is an abundant number, since it is smaller than the sum of its proper divisors (424380524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
318285372 is a wasteful number, since it uses less digits than its factorization.
318285372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26523788 (or 26523786 counting only the distinct ones).
The product of its digits is 80640, while the sum is 39.
The square root of 318285372 is about 17840.5541393758. The cubic root of 318285372 is about 682.7665349237.
The spelling of 318285372 in words is "three hundred eighteen million, two hundred eighty-five thousand, three hundred seventy-two".
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