Base | Representation |
---|---|
bin | 100011000101… |
… | …0011111001010 |
3 | 1021121110111111 |
4 | 1012022133022 |
5 | 14202034114 |
6 | 1454120534 |
7 | 312224002 |
oct | 106123712 |
9 | 37543444 |
10 | 18393034 |
11 | a422a60 |
12 | 61b014a |
13 | 3a6cb6a |
14 | 262b002 |
15 | 1934bc4 |
hex | 118a7ca |
18393034 has 8 divisors (see below), whose sum is σ = 30097728. Its totient is φ = 8360460.
The previous prime is 18392999. The next prime is 18393059. The reversal of 18393034 is 43039381.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 18392987 and 18393005.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418002 + ... + 418045.
It is an arithmetic number, because the mean of its divisors is an integer number (3762216).
Almost surely, 218393034 is an apocalyptic number.
18393034 is a deficient number, since it is larger than the sum of its proper divisors (11704694).
18393034 is a wasteful number, since it uses less digits than its factorization.
18393034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 836060.
The product of its (nonzero) digits is 7776, while the sum is 31.
The square root of 18393034 is about 4288.7100624780. The cubic root of 18393034 is about 263.9679043473.
The spelling of 18393034 in words is "eighteen million, three hundred ninety-three thousand, thirty-four".
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