Base | Representation |
---|---|
bin | 1010111110110011… |
… | …1110110001110000 |
3 | 21121102210222021000 |
4 | 2233230332301300 |
5 | 22014114214042 |
6 | 1204301402000 |
7 | 133022631360 |
oct | 25754766160 |
9 | 7542728230 |
10 | 2947804272 |
11 | 1282a5aa86 |
12 | 6a3269300 |
13 | 37c93a8aa |
14 | 1dd6da9a0 |
15 | 123bd374c |
hex | afb3ec70 |
2947804272 has 80 divisors (see below), whose sum is σ = 9670055680. Its totient is φ = 842228928.
The previous prime is 2947804261. The next prime is 2947804289. The reversal of 2947804272 is 2724087492.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484378 + ... + 490425.
It is an arithmetic number, because the mean of its divisors is an integer number (120875696).
Almost surely, 22947804272 is an apocalyptic number.
It is an amenable number.
2947804272 is an abundant number, since it is smaller than the sum of its proper divisors (6722251408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2947804272 is a wasteful number, since it uses less digits than its factorization.
2947804272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 974827 (or 974815 counting only the distinct ones).
The product of its (nonzero) digits is 451584, while the sum is 45.
The square root of 2947804272 is about 54293.6853786884. The cubic root of 2947804272 is about 1433.8362236586.
The spelling of 2947804272 in words is "two billion, nine hundred forty-seven million, eight hundred four thousand, two hundred seventy-two".
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