Base | Representation |
---|---|
bin | 100010010010… |
… | …111001001110 |
3 | 121220202100120 |
4 | 202102321032 |
5 | 4300142121 |
6 | 520405410 |
7 | 136262514 |
oct | 42227116 |
9 | 17822316 |
10 | 8990286 |
11 | 5090598 |
12 | 3016866 |
13 | 1b2a0c6 |
14 | 12a04b4 |
15 | bc8bc6 |
hex | 892e4e |
8990286 has 16 divisors (see below), whose sum is σ = 18762624. Its totient is φ = 2866424.
The previous prime is 8990257. The next prime is 8990321. The reversal of 8990286 is 6820998.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32436 + ... + 32711.
It is an arithmetic number, because the mean of its divisors is an integer number (1172664).
Almost surely, 28990286 is an apocalyptic number.
8990286 is an abundant number, since it is smaller than the sum of its proper divisors (9772338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8990286 is a wasteful number, since it uses less digits than its factorization.
8990286 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65175.
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 8990286 is about 2998.3805629039. The cubic root of 8990286 is about 207.9335185709.
The spelling of 8990286 in words is "eight million, nine hundred ninety thousand, two hundred eighty-six".
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