Base | Representation |
---|---|
bin | 10000100011110010… |
… | …00000001110010101 |
3 | 211221120021101101000 |
4 | 20101321000032111 |
5 | 121201330343024 |
6 | 4030053253513 |
7 | 433206343605 |
oct | 102171001625 |
9 | 24846241330 |
10 | 8890090389 |
11 | 3852251544 |
12 | 1881334299 |
13 | ab8a7a11b |
14 | 6049a4c05 |
15 | 37071acc9 |
hex | 211e40395 |
8890090389 has 32 divisors (see below), whose sum is σ = 13642128000. Its totient is φ = 5715021312.
The previous prime is 8890090369. The next prime is 8890090423. The reversal of 8890090389 is 9830900988.
It is not a de Polignac number, because 8890090389 - 215 = 8890057621 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8890090369) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 640677 + ... + 654405.
It is an arithmetic number, because the mean of its divisors is an integer number (426316500).
Almost surely, 28890090389 is an apocalyptic number.
It is an amenable number.
8890090389 is a deficient number, since it is larger than the sum of its proper divisors (4752037611).
8890090389 is a wasteful number, since it uses less digits than its factorization.
8890090389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14594 (or 14588 counting only the distinct ones).
The product of its (nonzero) digits is 1119744, while the sum is 54.
The square root of 8890090389 is about 94287.2758594711. The cubic root of 8890090389 is about 2071.5816666027.
The spelling of 8890090389 in words is "eight billion, eight hundred ninety million, ninety thousand, three hundred eighty-nine".
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