Base | Representation |
---|---|
bin | 100011010001… |
… | …1001011000100 |
3 | 1021210121012110 |
4 | 1012203023010 |
5 | 14213303043 |
6 | 1500221020 |
7 | 313124541 |
oct | 106431304 |
9 | 37717173 |
10 | 18494148 |
11 | a491a22 |
12 | 623a770 |
13 | 3aa6baa |
14 | 2655bc8 |
15 | 1954b33 |
hex | 11a32c4 |
18494148 has 24 divisors (see below), whose sum is σ = 43384320. Its totient is φ = 6131680.
The previous prime is 18494131. The next prime is 18494167. The reversal of 18494148 is 84149481.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1743 + ... + 6326.
It is an arithmetic number, because the mean of its divisors is an integer number (1807680).
Almost surely, 218494148 is an apocalyptic number.
It is an amenable number.
18494148 is an abundant number, since it is smaller than the sum of its proper divisors (24890172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18494148 is a wasteful number, since it uses less digits than its factorization.
18494148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8267 (or 8265 counting only the distinct ones).
The product of its digits is 36864, while the sum is 39.
The square root of 18494148 is about 4300.4822985335. The cubic root of 18494148 is about 264.4507336864.
The spelling of 18494148 in words is "eighteen million, four hundred ninety-four thousand, one hundred forty-eight".
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