Base | Representation |
---|---|
bin | 100001111111… |
… | …000010111110 |
3 | 121202121211121 |
4 | 201333002332 |
5 | 4240041430 |
6 | 514541154 |
7 | 135503506 |
oct | 41770276 |
9 | 17677747 |
10 | 8908990 |
11 | 5035502 |
12 | 2b977ba |
13 | 1acc0bc |
14 | 127ca06 |
15 | baea7a |
hex | 87f0be |
8908990 has 16 divisors (see below), whose sum is σ = 16276752. Its totient is φ = 3510144.
The previous prime is 8908987. The next prime is 8909023. The reversal of 8908990 is 998098.
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5979 + ... + 7318.
It is an arithmetic number, because the mean of its divisors is an integer number (1017297).
Almost surely, 28908990 is an apocalyptic number.
8908990 is a deficient number, since it is larger than the sum of its proper divisors (7367762).
8908990 is a wasteful number, since it uses less digits than its factorization.
8908990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13371.
The product of its (nonzero) digits is 46656, while the sum is 43.
The square root of 8908990 is about 2984.7931251596. The cubic root of 8908990 is about 207.3048632402.
It can be divided in two parts, 89089 and 90, that multiplied together give a triangular number (8018010 = T4004).
The spelling of 8908990 in words is "eight million, nine hundred eight thousand, nine hundred ninety".
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