Base | Representation |
---|---|
bin | 100011111010… |
… | …1111010001110 |
3 | 1022102211001221 |
4 | 1013311322032 |
5 | 14310124123 |
6 | 1511353554 |
7 | 316035550 |
oct | 107657216 |
9 | 38384057 |
10 | 18833038 |
11 | a6a35a4 |
12 | 63828ba |
13 | 3b95213 |
14 | 27034d0 |
15 | 19c025d |
hex | 11f5e8e |
18833038 has 16 divisors (see below), whose sum is σ = 32340960. Its totient is φ = 8057376.
The previous prime is 18833029. The next prime is 18833039. The reversal of 18833038 is 83033881.
It is a junction number, because it is equal to n+sod(n) for n = 18832994 and 18833012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18833039) 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, 14920 + ... + 16132.
It is an arithmetic number, because the mean of its divisors is an integer number (2021310).
Almost surely, 218833038 is an apocalyptic number.
18833038 is a deficient number, since it is larger than the sum of its proper divisors (13507922).
18833038 is a wasteful number, since it uses less digits than its factorization.
18833038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2331.
The product of its (nonzero) digits is 13824, while the sum is 34.
The square root of 18833038 is about 4339.7048286721. The cubic root of 18833038 is about 266.0562471741.
The spelling of 18833038 in words is "eighteen million, eight hundred thirty-three thousand, thirty-eight".
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