Base | Representation |
---|---|
bin | 1010101001110100… |
… | …1110111110101001 |
3 | 21101022012101201101 |
4 | 2222131032332221 |
5 | 21324101241444 |
6 | 1151435121401 |
7 | 130603546621 |
oct | 25235167651 |
9 | 7338171641 |
10 | 2859790249 |
11 | 1238305818 |
12 | 6798a3261 |
13 | 3676328a4 |
14 | 1d1b49881 |
15 | 11b0ea3d4 |
hex | aa74efa9 |
2859790249 has 4 divisors (see below), whose sum is σ = 2862337936. Its totient is φ = 2857242564.
The previous prime is 2859790231. The next prime is 2859790259. The reversal of 2859790249 is 9420979582.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2859790249 - 25 = 2859790217 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2859790249.
It is not an unprimeable number, because it can be changed into a prime (2859790229) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 1272159 + ... + 1274404.
It is an arithmetic number, because the mean of its divisors is an integer number (715584484).
Almost surely, 22859790249 is an apocalyptic number.
It is an amenable number.
2859790249 is a deficient number, since it is larger than the sum of its proper divisors (2547687).
2859790249 is a wasteful number, since it uses less digits than its factorization.
2859790249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2547686.
The product of its (nonzero) digits is 3265920, while the sum is 55.
The square root of 2859790249 is about 53477.0067318656. The cubic root of 2859790249 is about 1419.4215472733.
The spelling of 2859790249 in words is "two billion, eight hundred fifty-nine million, seven hundred ninety thousand, two hundred forty-nine".
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