Base | Representation |
---|---|
bin | 1010101101111… |
… | …00011100100110 |
3 | 20021011102202200 |
4 | 11112330130212 |
5 | 141003311323 |
6 | 12530515330 |
7 | 2141100366 |
oct | 526743446 |
9 | 207142680 |
10 | 89900838 |
11 | 46823915 |
12 | 26135b46 |
13 | 15818a81 |
14 | bd229a6 |
15 | 7d5c443 |
hex | 55bc726 |
89900838 has 24 divisors (see below), whose sum is σ = 195195000. Its totient is φ = 29903904.
The previous prime is 89900827. The next prime is 89900843. The reversal of 89900838 is 83800998.
It is a junction number, because it is equal to n+sod(n) for n = 89900793 and 89900802.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3978 + ... + 13986.
It is an arithmetic number, because the mean of its divisors is an integer number (8133125).
Almost surely, 289900838 is an apocalyptic number.
89900838 is an abundant number, since it is smaller than the sum of its proper divisors (105294162).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89900838 is a wasteful number, since it uses less digits than its factorization.
89900838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10516 (or 10513 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 45.
The square root of 89900838 is about 9481.6052438393. The cubic root of 89900838 is about 447.9758271130.
The spelling of 89900838 in words is "eighty-nine million, nine hundred thousand, eight hundred thirty-eight".
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