Base | Representation |
---|---|
bin | 10001000110100… |
… | …011100000000000 |
3 | 201222220121021000 |
4 | 101012203200000 |
5 | 1041423242234 |
6 | 44245532000 |
7 | 10052605236 |
oct | 2106434000 |
9 | 658817230 |
10 | 286930944 |
11 | 137a68513 |
12 | 80114000 |
13 | 475a3331 |
14 | 2a170956 |
15 | 1a2cb899 |
hex | 111a3800 |
286930944 has 96 divisors (see below), whose sum is σ = 850122000. Its totient is φ = 95625216.
The previous prime is 286930937. The next prime is 286930979. The reversal of 286930944 is 449039682.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×2869309442 = 164658733249462272, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 286930944.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52702 + ... + 57890.
Almost surely, 2286930944 is an apocalyptic number.
286930944 is a gapful number since it is divisible by the number (24) 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 286930944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425061000).
286930944 is an abundant number, since it is smaller than the sum of its proper divisors (563191056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
286930944 is an equidigital number, since it uses as much as digits as its factorization.
286930944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5220 (or 5194 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 45.
The square root of 286930944 is about 16939.0361000855. The cubic root of 286930944 is about 659.5673197129.
The spelling of 286930944 in words is "two hundred eighty-six million, nine hundred thirty thousand, nine hundred forty-four".
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