Base | Representation |
---|---|
bin | 1010101101101… |
… | …10010000010111 |
3 | 20021010010222110 |
4 | 11112312100113 |
5 | 141002003404 |
6 | 12530202103 |
7 | 2140633431 |
oct | 526662027 |
9 | 207103873 |
10 | 89875479 |
11 | 46806861 |
12 | 26123333 |
13 | 1580a375 |
14 | bd17651 |
15 | 7d54b89 |
hex | 55b6417 |
89875479 has 16 divisors (see below), whose sum is σ = 127047680. Its totient is φ = 56414880.
The previous prime is 89875463. The next prime is 89875507. The reversal of 89875479 is 97457898.
It is not a de Polignac number, because 89875479 - 24 = 89875463 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89875679) 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, 9619 + ... + 16500.
It is an arithmetic number, because the mean of its divisors is an integer number (7940480).
Almost surely, 289875479 is an apocalyptic number.
89875479 is a deficient number, since it is larger than the sum of its proper divisors (37172201).
89875479 is a wasteful number, since it uses less digits than its factorization.
89875479 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26190.
The product of its digits is 5080320, while the sum is 57.
The square root of 89875479 is about 9480.2678759622. The cubic root of 89875479 is about 447.9337018575.
The spelling of 89875479 in words is "eighty-nine million, eight hundred seventy-five thousand, four hundred seventy-nine".
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