Base | Representation |
---|---|
bin | 1010101100101… |
… | …10001110100011 |
3 | 20020212111000122 |
4 | 11112112032203 |
5 | 140433304131 |
6 | 12523310455 |
7 | 2136546110 |
oct | 526261643 |
9 | 206774018 |
10 | 89744291 |
11 | 4672723a |
12 | 2607b42b |
13 | 15792740 |
14 | bcc1907 |
15 | 7d2ad7b |
hex | 55963a3 |
89744291 has 16 divisors (see below), whose sum is σ = 112809984. Its totient is φ = 69492384.
The previous prime is 89744273. The next prime is 89744323. The reversal of 89744291 is 19244798.
It is not a de Polignac number, because 89744291 - 26 = 89744227 is a prime.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (89744231) 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, 6215 + ... + 14768.
It is an arithmetic number, because the mean of its divisors is an integer number (7050624).
Almost surely, 289744291 is an apocalyptic number.
89744291 is a deficient number, since it is larger than the sum of its proper divisors (23065693).
89744291 is a wasteful number, since it uses less digits than its factorization.
89744291 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21050.
The product of its digits is 145152, while the sum is 44.
The square root of 89744291 is about 9473.3463464607. The cubic root of 89744291 is about 447.7156514986.
The spelling of 89744291 in words is "eighty-nine million, seven hundred forty-four thousand, two hundred ninety-one".
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