Base | Representation |
---|---|
bin | 100010110001… |
… | …1111001100111 |
3 | 1021022102200202 |
4 | 1011203321213 |
5 | 14132004413 |
6 | 1450501115 |
7 | 310665134 |
oct | 105437147 |
9 | 37272622 |
10 | 18234983 |
11 | a325238 |
12 | 613479b |
13 | 3a15c40 |
14 | 25c958b |
15 | 1902e58 |
hex | 1163e67 |
18234983 has 8 divisors (see below), whose sum is σ = 19723200. Its totient is φ = 16759008.
The previous prime is 18234977. The next prime is 18235027. The reversal of 18234983 is 38943281.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-18234983 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18234383) 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, 173 + ... + 6041.
It is an arithmetic number, because the mean of its divisors is an integer number (2465400).
Almost surely, 218234983 is an apocalyptic number.
18234983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
18234983 is a deficient number, since it is larger than the sum of its proper divisors (1488217).
18234983 is a wasteful number, since it uses less digits than its factorization.
18234983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6121.
The product of its digits is 41472, while the sum is 38.
The square root of 18234983 is about 4270.2439040411. The cubic root of 18234983 is about 263.2096378233.
The spelling of 18234983 in words is "eighteen million, two hundred thirty-four thousand, nine hundred eighty-three".
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