Base | Representation |
---|---|
bin | 100101100111011… |
… | …001110010100110 |
3 | 1121222111111120200 |
4 | 211213121302212 |
5 | 2243024224441 |
6 | 142342211330 |
7 | 21432100410 |
oct | 4547316246 |
9 | 1558444520 |
10 | 631086246 |
11 | 2a426048a |
12 | 157423b46 |
13 | a099111b |
14 | 5db599b0 |
15 | 3a60d7b6 |
hex | 259d9ca6 |
631086246 has 48 divisors (see below), whose sum is σ = 1564381728. Its totient is φ = 180115200.
The previous prime is 631086221. The next prime is 631086277. The reversal of 631086246 is 642680136.
It is a self number, because there is not a number n which added to its sum of digits gives 631086246.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146686 + ... + 150926.
It is an arithmetic number, because the mean of its divisors is an integer number (32591286).
Almost surely, 2631086246 is an apocalyptic number.
631086246 is an abundant number, since it is smaller than the sum of its proper divisors (933295482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
631086246 is a wasteful number, since it uses less digits than its factorization.
631086246 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5437 (or 5434 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
The square root of 631086246 is about 25121.4300150290. The cubic root of 631086246 is about 857.7543023155.
The spelling of 631086246 in words is "six hundred thirty-one million, eighty-six thousand, two hundred forty-six".
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