Base | Representation |
---|---|
bin | 100000000110… |
… | …1000101011101 |
3 | 1011200002112110 |
4 | 1000031011131 |
5 | 13302041223 |
6 | 1400424233 |
7 | 263026266 |
oct | 100150535 |
9 | 34602473 |
10 | 16830813 |
11 | 955626a |
12 | 5778079 |
13 | 3643a7c |
14 | 234196d |
15 | 1726d93 |
hex | 100d15d |
16830813 has 8 divisors (see below), whose sum is σ = 22540000. Its totient is φ = 11171088.
The previous prime is 16830773. The next prime is 16830829. The reversal of 16830813 is 31803861.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 16830813 - 210 = 16829789 is a prime.
It is a super-3 number, since 3×168308133 (a number of 23 digits) contains 333 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 (16837813) 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, 11563 + ... + 12936.
It is an arithmetic number, because the mean of its divisors is an integer number (2817500).
Almost surely, 216830813 is an apocalyptic number.
It is an amenable number.
16830813 is a deficient number, since it is larger than the sum of its proper divisors (5709187).
16830813 is a wasteful number, since it uses less digits than its factorization.
16830813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24731.
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 16830813 is about 4102.5373855701. The cubic root of 16830813 is about 256.2723186589.
The spelling of 16830813 in words is "sixteen million, eight hundred thirty thousand, eight hundred thirteen".
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