Base | Representation |
---|---|
bin | 1010101110101… |
… | …00011101101000 |
3 | 20021100102201000 |
4 | 11113110131220 |
5 | 141014433313 |
6 | 12532555000 |
7 | 2141660235 |
oct | 527243550 |
9 | 207312630 |
10 | 89999208 |
11 | 46890812 |
12 | 26182a60 |
13 | 15851790 |
14 | bd4a78c |
15 | 7d7b673 |
hex | 55d4768 |
89999208 has 64 divisors (see below), whose sum is σ = 269236800. Its totient is φ = 27691200.
The previous prime is 89999201. The next prime is 89999213. The reversal of 89999208 is 80299998.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (89999201) 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, 13218 + ... + 18833.
It is an arithmetic number, because the mean of its divisors is an integer number (4206825).
Almost surely, 289999208 is an apocalyptic number.
It is an amenable number.
89999208 is an abundant number, since it is smaller than the sum of its proper divisors (179237592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89999208 is a wasteful number, since it uses less digits than its factorization.
89999208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32079 (or 32069 counting only the distinct ones).
The product of its (nonzero) digits is 839808, while the sum is 54.
The square root of 89999208 is about 9486.7912383482. The cubic root of 89999208 is about 448.1391601065.
The spelling of 89999208 in words is "eighty-nine million, nine hundred ninety-nine thousand, two hundred eight".
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