Base | Representation |
---|---|
bin | 111100111100101… |
… | …1001000001101001 |
3 | 12021112012020010102 |
4 | 1321321121001221 |
5 | 13142020302344 |
6 | 534533155145 |
7 | 101451650150 |
oct | 17171310151 |
9 | 5245166112 |
10 | 2045087849 |
11 | 95a442852 |
12 | 490a8bab5 |
13 | 26790296c |
14 | 155874597 |
15 | be81be4e |
hex | 79e59069 |
2045087849 has 8 divisors (see below), whose sum is σ = 2438862720. Its totient is φ = 1676717856.
The previous prime is 2045087797. The next prime is 2045087881. The reversal of 2045087849 is 9487805402.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2045087849 - 228 = 1776652393 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2045087449) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6351044 + ... + 6351365.
It is an arithmetic number, because the mean of its divisors is an integer number (304857840).
Almost surely, 22045087849 is an apocalyptic number.
It is an amenable number.
2045087849 is a deficient number, since it is larger than the sum of its proper divisors (393774871).
2045087849 is a wasteful number, since it uses less digits than its factorization.
2045087849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12702439.
The product of its (nonzero) digits is 645120, while the sum is 47.
The square root of 2045087849 is about 45222.6475231161. The cubic root of 2045087849 is about 1269.3186352726.
The spelling of 2045087849 in words is "two billion, forty-five million, eighty-seven thousand, eight hundred forty-nine".
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