Base | Representation |
---|---|
bin | 100010011101… |
… | …1101100101011 |
3 | 1021000001210221 |
4 | 1010323230223 |
5 | 14111222230 |
6 | 1443150511 |
7 | 306411064 |
oct | 104735453 |
9 | 37001727 |
10 | 18070315 |
11 | a22254a |
12 | 6075437 |
13 | 3988cc3 |
14 | 258556b |
15 | 18be27a |
hex | 113bb2b |
18070315 has 8 divisors (see below), whose sum is σ = 21778848. Its totient is φ = 14393280.
The previous prime is 18070309. The next prime is 18070331. The reversal of 18070315 is 51307081.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 18070315 - 27 = 18070187 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 18070315.
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, 6591 + ... + 8920.
It is an arithmetic number, because the mean of its divisors is an integer number (2722356).
Almost surely, 218070315 is an apocalyptic number.
18070315 is a deficient number, since it is larger than the sum of its proper divisors (3708533).
18070315 is a wasteful number, since it uses less digits than its factorization.
18070315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15749.
The product of its (nonzero) digits is 840, while the sum is 25.
The square root of 18070315 is about 4250.9193123370. The cubic root of 18070315 is about 262.4149505272.
Adding to 18070315 its reverse (51307081), we get a palindrome (69377396).
The spelling of 18070315 in words is "eighteen million, seventy thousand, three hundred fifteen".
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