Base | Representation |
---|---|
bin | 100010011101… |
… | …1101101000111 |
3 | 1021000001211222 |
4 | 1010323231013 |
5 | 14111222333 |
6 | 1443150555 |
7 | 306411134 |
oct | 104735507 |
9 | 37001758 |
10 | 18070343 |
11 | a222575 |
12 | 607545b |
13 | 3989015 |
14 | 258558b |
15 | 18be298 |
hex | 113bb47 |
18070343 has 8 divisors (see below), whose sum is σ = 18499200. Its totient is φ = 17645688.
The previous prime is 18070333. The next prime is 18070361. The reversal of 18070343 is 34307081.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18070343 - 210 = 18069319 is a prime.
It is a super-2 number, since 2×180703432 = 653074592275298, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18070333) 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, 8678 + ... + 10556.
It is an arithmetic number, because the mean of its divisors is an integer number (2312400).
Almost surely, 218070343 is an apocalyptic number.
18070343 is a deficient number, since it is larger than the sum of its proper divisors (428857).
18070343 is a wasteful number, since it uses less digits than its factorization.
18070343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2101.
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 18070343 is about 4250.9226057410. The cubic root of 18070343 is about 262.4150860647.
The spelling of 18070343 in words is "eighteen million, seventy thousand, three hundred forty-three".
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