Base | Representation |
---|---|
bin | 1010100111001… |
… | …11100101101111 |
3 | 20012112010210110 |
4 | 11103213211233 |
5 | 140242411400 |
6 | 12500111103 |
7 | 2130506460 |
oct | 523474557 |
9 | 205463713 |
10 | 89028975 |
11 | 46288872 |
12 | 25995493 |
13 | 155a1c89 |
14 | bb76d67 |
15 | 7c38e50 |
hex | 54e796f |
89028975 has 96 divisors (see below), whose sum is σ = 179702784. Its totient is φ = 38016000.
The previous prime is 89028967. The next prime is 89028991. The reversal of 89028975 is 57982098.
It is a happy number.
It is not a de Polignac number, because 89028975 - 23 = 89028967 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 881425 + ... + 881525.
It is an arithmetic number, because the mean of its divisors is an integer number (1871904).
Almost surely, 289028975 is an apocalyptic number.
89028975 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
89028975 is a wasteful number, since it uses less digits than its factorization.
89028975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217 (or 212 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 48.
The square root of 89028975 is about 9435.5166790166. The cubic root of 89028975 is about 446.5229559827.
The spelling of 89028975 in words is "eighty-nine million, twenty-eight thousand, nine hundred seventy-five".
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