Base | Representation |
---|---|
bin | 100010011001… |
… | …111001100100 |
3 | 121222012201022 |
4 | 202121321210 |
5 | 4302101410 |
6 | 521150312 |
7 | 136442255 |
oct | 42317144 |
9 | 17865638 |
10 | 9018980 |
11 | 5100103 |
12 | 302b398 |
13 | 1b3a199 |
14 | 12aab2c |
15 | bd2455 |
hex | 899e64 |
9018980 has 12 divisors (see below), whose sum is σ = 18939900. Its totient is φ = 3607584.
The previous prime is 9018979. The next prime is 9018983. The reversal of 9018980 is 898109.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 2748964 + 6270016 = 1658^2 + 2504^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 9018980.
It is not an unprimeable number, because it can be changed into a prime (9018983) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 225455 + ... + 225494.
It is an arithmetic number, because the mean of its divisors is an integer number (1578325).
Almost surely, 29018980 is an apocalyptic number.
It is an amenable number.
9018980 is an abundant number, since it is smaller than the sum of its proper divisors (9920920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9018980 is a wasteful number, since it uses less digits than its factorization.
9018980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 450958 (or 450956 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 35.
The square root of 9018980 is about 3003.1616673100. The cubic root of 9018980 is about 208.1545018254.
The spelling of 9018980 in words is "nine million, eighteen thousand, nine hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •