Base | Representation |
---|---|
bin | 1001010001100111… |
… | …1111010110010111 |
3 | 20102112002000211002 |
4 | 2110121333112113 |
5 | 20044344403142 |
6 | 1051021533515 |
7 | 115462204541 |
oct | 22431772627 |
9 | 6375060732 |
10 | 2489841047 |
11 | 10684a5481 |
12 | 595a1429b |
13 | 308ab3435 |
14 | 198968691 |
15 | e88c0a32 |
hex | 9467f597 |
2489841047 has 8 divisors (see below), whose sum is σ = 2508537600. Its totient is φ = 2471203840.
The previous prime is 2489841041. The next prime is 2489841059. The reversal of 2489841047 is 7401489842.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-2489841047 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2489840992 and 2489841010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2489841041) 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 7 ways as a sum of consecutive naturals, for example, 71243 + ... + 100275.
It is an arithmetic number, because the mean of its divisors is an integer number (313567200).
Almost surely, 22489841047 is an apocalyptic number.
2489841047 is a deficient number, since it is larger than the sum of its proper divisors (18696553).
2489841047 is a wasteful number, since it uses less digits than its factorization.
2489841047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29673.
The product of its (nonzero) digits is 516096, while the sum is 47.
The square root of 2489841047 is about 49898.3070554503. The cubic root of 2489841047 is about 1355.3679364645.
The spelling of 2489841047 in words is "two billion, four hundred eighty-nine million, eight hundred forty-one thousand, forty-seven".
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