Base | Representation |
---|---|
bin | 1010001111000011… |
… | …0110001001110010 |
3 | 21002110220000000100 |
4 | 2203300312021302 |
5 | 21111324202210 |
6 | 1132344133230 |
7 | 125041200432 |
oct | 24360661162 |
9 | 7073800010 |
10 | 2747490930 |
11 | 118a983668 |
12 | 648167216 |
13 | 34a2a3aa2 |
14 | 1c0c762c2 |
15 | 1113165c0 |
hex | a3c36272 |
2747490930 has 48 divisors (see below), whose sum is σ = 7149743640. Its totient is φ = 732021504.
The previous prime is 2747490917. The next prime is 2747490931. The reversal of 2747490930 is 390947472.
2747490930 is a `hidden beast` number, since 2 + 7 + 474 + 90 + 93 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 2615401881 + 132089049 = 51141^2 + 11493^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (2747490931) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94576 + ... + 120164.
Almost surely, 22747490930 is an apocalyptic number.
2747490930 is an abundant number, since it is smaller than the sum of its proper divisors (4402252710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2747490930 is a wasteful number, since it uses less digits than its factorization.
2747490930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26795 (or 26792 counting only the distinct ones).
The product of its (nonzero) digits is 381024, while the sum is 45.
The square root of 2747490930 is about 52416.5139054478. The cubic root of 2747490930 is about 1400.5934439886.
The spelling of 2747490930 in words is "two billion, seven hundred forty-seven million, four hundred ninety thousand, nine hundred thirty".
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