Base | Representation |
---|---|
bin | 1010110000011010… |
… | …1010100011101010 |
3 | 21110020012120001000 |
4 | 2230012222203222 |
5 | 21403140201310 |
6 | 1154303335430 |
7 | 131360510253 |
oct | 25406524352 |
9 | 7406176030 |
10 | 2887428330 |
11 | 1251972706 |
12 | 686bb1576 |
13 | 37028b797 |
14 | 1d56a1b2a |
15 | 11d7594c0 |
hex | ac1aa8ea |
2887428330 has 64 divisors (see below), whose sum is σ = 7746036480. Its totient is φ = 765358272.
The previous prime is 2887428329. The next prime is 2887428353. The reversal of 2887428330 is 338247882.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13072 + ... + 77108.
It is an arithmetic number, because the mean of its divisors is an integer number (121031820).
Almost surely, 22887428330 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2887428330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3873018240).
2887428330 is an abundant number, since it is smaller than the sum of its proper divisors (4858608150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2887428330 is a wasteful number, since it uses less digits than its factorization.
2887428330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64220 (or 64214 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 45.
The square root of 2887428330 is about 53734.7962683399. The cubic root of 2887428330 is about 1423.9795020431.
The spelling of 2887428330 in words is "two billion, eight hundred eighty-seven million, four hundred twenty-eight thousand, three hundred thirty".
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