Base | Representation |
---|---|
bin | 1111101001001111… |
… | …01110000110101010 |
3 | 210200100020110001210 |
4 | 13310213232012222 |
5 | 114200122123313 |
6 | 3505232053550 |
7 | 415064332053 |
oct | 76447560652 |
9 | 23610213053 |
10 | 8399020458 |
11 | 3620034424 |
12 | 17649942b6 |
13 | a3b1008ba |
14 | 59969572a |
15 | 3425689c3 |
hex | 1f49ee1aa |
8399020458 has 16 divisors (see below), whose sum is σ = 16891886880. Its totient is φ = 2784032496.
The previous prime is 8399020453. The next prime is 8399020477. The reversal of 8399020458 is 8540209938.
It is not an unprimeable number, because it can be changed into a prime (8399020453) 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, 3909085 + ... + 3911232.
It is an arithmetic number, because the mean of its divisors is an integer number (1055742930).
Almost surely, 28399020458 is an apocalyptic number.
8399020458 is an abundant number, since it is smaller than the sum of its proper divisors (8492866422).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8399020458 is a wasteful number, since it uses less digits than its factorization.
8399020458 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7820501.
The product of its (nonzero) digits is 622080, while the sum is 48.
The square root of 8399020458 is about 91646.1699036026. The cubic root of 8399020458 is about 2032.7136944533.
The spelling of 8399020458 in words is "eight billion, three hundred ninety-nine million, twenty thousand, four hundred fifty-eight".
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