Base | Representation |
---|---|
bin | 101111011000111… |
… | …0111011000001101 |
3 | 11002211002222112201 |
4 | 1132301313120031 |
5 | 11224033131224 |
6 | 421442001501 |
7 | 54255612034 |
oct | 13661673015 |
9 | 4084088481 |
10 | 1590130189 |
11 | 74665038a |
12 | 384646291 |
13 | 1c458b54b |
14 | 11128571b |
15 | 948eea44 |
hex | 5ec7760d |
1590130189 has 4 divisors (see below), whose sum is σ = 1596317724. Its totient is φ = 1583942656.
The previous prime is 1590130147. The next prime is 1590130193. The reversal of 1590130189 is 9810310951.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9810310951 = 7 ⋅1401472993.
It can be written as a sum of positive squares in 2 ways, for example, as 1215707689 + 374422500 = 34867^2 + 19350^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1590130189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1590130109) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3093382 + ... + 3093895.
It is an arithmetic number, because the mean of its divisors is an integer number (399079431).
Almost surely, 21590130189 is an apocalyptic number.
It is an amenable number.
1590130189 is a deficient number, since it is larger than the sum of its proper divisors (6187535).
1590130189 is an equidigital number, since it uses as much as digits as its factorization.
1590130189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6187534.
The product of its (nonzero) digits is 9720, while the sum is 37.
The square root of 1590130189 is about 39876.4365133095. The cubic root of 1590130189 is about 1167.1971746305.
The spelling of 1590130189 in words is "one billion, five hundred ninety million, one hundred thirty thousand, one hundred eighty-nine".
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