Base | Representation |
---|---|
bin | 101011110111… |
… | …1010010010011 |
3 | 1121021112100200 |
4 | 1113233102103 |
5 | 21342001321 |
6 | 2140550243 |
7 | 366333003 |
oct | 127572223 |
9 | 47245320 |
10 | 23000211 |
11 | 11a8a443 |
12 | 7852383 |
13 | 49c3bc0 |
14 | 30aa003 |
15 | 2044d26 |
hex | 15ef493 |
23000211 has 12 divisors (see below), whose sum is σ = 35778288. Its totient is φ = 14153904.
The previous prime is 23000189. The next prime is 23000261. The reversal of 23000211 is 11200032.
It is a happy number.
It is not a de Polignac number, because 23000211 - 29 = 22999699 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 23000193 and 23000202.
It is not an unprimeable number, because it can be changed into a prime (23000261) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98175 + ... + 98408.
It is an arithmetic number, because the mean of its divisors is an integer number (2981524).
Almost surely, 223000211 is an apocalyptic number.
23000211 is a deficient number, since it is larger than the sum of its proper divisors (12778077).
23000211 is a wasteful number, since it uses less digits than its factorization.
23000211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 196602 (or 196599 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 23000211 is about 4795.8535215330. The cubic root of 23000211 is about 284.3875676288.
Adding to 23000211 its reverse (11200032), we get a palindrome (34200243).
The spelling of 23000211 in words is "twenty-three million, two hundred eleven", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.113 sec. • engine limits •