Base | Representation |
---|---|
bin | 100010010010… |
… | …110100110111 |
3 | 121220201222020 |
4 | 202102310313 |
5 | 4300140012 |
6 | 520404223 |
7 | 136261635 |
oct | 42226467 |
9 | 17821866 |
10 | 8990007 |
11 | 5090364 |
12 | 3016673 |
13 | 1b29c40 |
14 | 12a0355 |
15 | bc8a8c |
hex | 892d37 |
8990007 has 16 divisors (see below), whose sum is σ = 13130880. Its totient is φ = 5437152.
The previous prime is 8989999. The next prime is 8990011. The reversal of 8990007 is 7000998.
8990007 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 8990007 - 23 = 8989999 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 8990007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8990027) 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, 348 + ... + 4254.
It is an arithmetic number, because the mean of its divisors is an integer number (820680).
Almost surely, 28990007 is an apocalyptic number.
8990007 is a deficient number, since it is larger than the sum of its proper divisors (4140873).
8990007 is a wasteful number, since it uses less digits than its factorization.
8990007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3982.
The product of its (nonzero) digits is 4536, while the sum is 33.
The square root of 8990007 is about 2998.3340374281. The cubic root of 8990007 is about 207.9313675807.
The spelling of 8990007 in words is "eight million, nine hundred ninety thousand, seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.040 sec. • engine limits •