Base | Representation |
---|---|
bin | 100100001101… |
… | …0110001000010 |
3 | 1022201111011012 |
4 | 1020122301002 |
5 | 14324442002 |
6 | 1514520522 |
7 | 320234642 |
oct | 110326102 |
9 | 38644135 |
10 | 18984002 |
11 | a796a64 |
12 | 6436142 |
13 | 3c18b4b |
14 | 2742522 |
15 | 19eed52 |
hex | 121ac42 |
18984002 has 16 divisors (see below), whose sum is σ = 31739040. Its totient is φ = 8463168.
The previous prime is 18984001. The next prime is 18984011. The reversal of 18984002 is 20048981.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 18984002.
It is not an unprimeable number, because it can be changed into a prime (18984001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14048 + ... + 15339.
It is an arithmetic number, because the mean of its divisors is an integer number (1983690).
Almost surely, 218984002 is an apocalyptic number.
18984002 is a deficient number, since it is larger than the sum of its proper divisors (12755038).
18984002 is a wasteful number, since it uses less digits than its factorization.
18984002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29425.
The product of its (nonzero) digits is 4608, while the sum is 32.
The square root of 18984002 is about 4357.0634606349. The cubic root of 18984002 is about 266.7652507027.
The spelling of 18984002 in words is "eighteen million, nine hundred eighty-four thousand, two".
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