Base | Representation |
---|---|
bin | 1010110001001000… |
… | …1110100000110101 |
3 | 21110102220112121001 |
4 | 2230102032200311 |
5 | 21404424143224 |
6 | 1154452323301 |
7 | 131425332502 |
oct | 25422164065 |
9 | 7412815531 |
10 | 2890459189 |
11 | 1253652852 |
12 | 688013531 |
13 | 370ab01a7 |
14 | 1d5c504a9 |
15 | 11db57544 |
hex | ac48e835 |
2890459189 has 16 divisors (see below), whose sum is σ = 3180544000. Its totient is φ = 2616410160.
The previous prime is 2890459139. The next prime is 2890459207. The reversal of 2890459189 is 9819540982.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2890459189 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 (2890459139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15472 + ... + 77590.
It is an arithmetic number, because the mean of its divisors is an integer number (198784000).
Almost surely, 22890459189 is an apocalyptic number.
It is an amenable number.
2890459189 is a deficient number, since it is larger than the sum of its proper divisors (290084811).
2890459189 is a wasteful number, since it uses less digits than its factorization.
2890459189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62248.
The product of its (nonzero) digits is 1866240, while the sum is 55.
The square root of 2890459189 is about 53762.9908859245. The cubic root of 2890459189 is about 1424.4775659933.
The spelling of 2890459189 in words is "two billion, eight hundred ninety million, four hundred fifty-nine thousand, one hundred eighty-nine".
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