Base | Representation |
---|---|
bin | 100111111110… |
… | …1010011001010 |
3 | 1110102220100021 |
4 | 1033331103022 |
5 | 20331213313 |
6 | 2025131054 |
7 | 343106131 |
oct | 117752312 |
9 | 43386307 |
10 | 20960458 |
11 | 109169a2 |
12 | 7029a8a |
13 | 445b64c |
14 | 2ad8918 |
15 | 1c9078d |
hex | 13fd4ca |
20960458 has 16 divisors (see below), whose sum is σ = 33660000. Its totient is φ = 9759312.
The previous prime is 20960453. The next prime is 20960497. The reversal of 20960458 is 85406902.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (20960453) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2433 + ... + 6916.
It is an arithmetic number, because the mean of its divisors is an integer number (2103750).
Almost surely, 220960458 is an apocalyptic number.
20960458 is a deficient number, since it is larger than the sum of its proper divisors (12699542).
20960458 is a wasteful number, since it uses less digits than its factorization.
20960458 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9429.
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 20960458 is about 4578.2592761878. The cubic root of 20960458 is about 275.7191447428.
The spelling of 20960458 in words is "twenty million, nine hundred sixty thousand, four hundred fifty-eight".
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