Base | Representation |
---|---|
bin | 1010101110000… |
… | …10010110000010 |
3 | 20021012122220100 |
4 | 11113002112002 |
5 | 141010044434 |
6 | 12531223230 |
7 | 2141230665 |
oct | 527022602 |
9 | 207178810 |
10 | 89924994 |
11 | 4683aa85 |
12 | 26147b16 |
13 | 15826a73 |
14 | bd2b6dc |
15 | 7d64699 |
hex | 55c2582 |
89924994 has 24 divisors (see below), whose sum is σ = 198515772. Its totient is φ = 29409120.
The previous prime is 89924993. The next prime is 89924999. The reversal of 89924994 is 49942998.
It can be written as a sum of positive squares in 2 ways, for example, as 74597769 + 15327225 = 8637^2 + 3915^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 89924994.
It is not an unprimeable number, because it can be changed into a prime (89924993) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46177 + ... + 48084.
Almost surely, 289924994 is an apocalyptic number.
89924994 is an abundant number, since it is smaller than the sum of its proper divisors (108590778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89924994 is a wasteful number, since it uses less digits than its factorization.
89924994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94322 (or 94319 counting only the distinct ones).
The product of its digits is 1679616, while the sum is 54.
The square root of 89924994 is about 9482.8789932172. The cubic root of 89924994 is about 448.0159466316.
The spelling of 89924994 in words is "eighty-nine million, nine hundred twenty-four thousand, nine hundred ninety-four".
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