Base | Representation |
---|---|
bin | 100100001101… |
… | …0111111111000 |
3 | 1022201112110101 |
4 | 1020122333320 |
5 | 14330004302 |
6 | 1514525144 |
7 | 320240500 |
oct | 110327770 |
9 | 38645411 |
10 | 18984952 |
11 | a797748 |
12 | 64367b4 |
13 | 3c193cc |
14 | 2742a00 |
15 | 1a00287 |
hex | 121aff8 |
18984952 has 48 divisors (see below), whose sum is σ = 43605000. Its totient is φ = 7705152.
The previous prime is 18984949. The next prime is 18984967. The reversal of 18984952 is 25948981.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6174 + ... + 8722.
Almost surely, 218984952 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18984952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21802500).
18984952 is an abundant number, since it is smaller than the sum of its proper divisors (24620048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18984952 is a wasteful number, since it uses less digits than its factorization.
18984952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2588 (or 2577 counting only the distinct ones).
The product of its digits is 207360, while the sum is 46.
The square root of 18984952 is about 4357.1724776511. The cubic root of 18984952 is about 266.7697004628.
The spelling of 18984952 in words is "eighteen million, nine hundred eighty-four thousand, nine hundred fifty-two".
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