Base | Representation |
---|---|
bin | 1010101100010… |
… | …01001011001001 |
3 | 20020202202200102 |
4 | 11112021023021 |
5 | 140430101300 |
6 | 12522215145 |
7 | 2136234200 |
oct | 526111311 |
9 | 206682612 |
10 | 89690825 |
11 | 466a0054 |
12 | 260544b5 |
13 | 157742c3 |
14 | bcaa237 |
15 | 7d1a0d5 |
hex | 55892c9 |
89690825 has 36 divisors (see below), whose sum is σ = 130362192. Its totient is φ = 61034400.
The previous prime is 89690813. The next prime is 89690831. The reversal of 89690825 is 52809698.
It is not a de Polignac number, because 89690825 - 26 = 89690761 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 89690825.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 258302 + ... + 258648.
It is an arithmetic number, because the mean of its divisors is an integer number (3621172).
Almost surely, 289690825 is an apocalyptic number.
It is an amenable number.
89690825 is a deficient number, since it is larger than the sum of its proper divisors (40671367).
89690825 is a wasteful number, since it uses less digits than its factorization.
89690825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 582 (or 570 counting only the distinct ones).
The product of its (nonzero) digits is 311040, while the sum is 47.
The square root of 89690825 is about 9470.5240087336. The cubic root of 89690825 is about 447.6267235753.
The spelling of 89690825 in words is "eighty-nine million, six hundred ninety thousand, eight hundred twenty-five".
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