Base | Representation |
---|---|
bin | 11010001110101… |
… | …10010001000111 |
3 | 120100000200110010 |
4 | 31013112101013 |
5 | 422311430043 |
6 | 33500001303 |
7 | 5311136643 |
oct | 1507262107 |
9 | 510020403 |
10 | 220030023 |
11 | 1032238a4 |
12 | 61830233 |
13 | 3677b2a5 |
14 | 21317c23 |
15 | 144b4133 |
hex | d1d6447 |
220030023 has 8 divisors (see below), whose sum is σ = 294192000. Its totient is φ = 146277368.
The previous prime is 220030007. The next prime is 220030043. The reversal of 220030023 is 320030022.
220030023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 220030023 - 24 = 220030007 is a prime.
It is a super-2 number, since 2×2200300232 = 96826422042761058, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 220029990 and 220030008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220030043) 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, 101073 + ... + 103226.
It is an arithmetic number, because the mean of its divisors is an integer number (36774000).
Almost surely, 2220030023 is an apocalyptic number.
220030023 is a deficient number, since it is larger than the sum of its proper divisors (74161977).
220030023 is a wasteful number, since it uses less digits than its factorization.
220030023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204661.
The product of its (nonzero) digits is 72, while the sum is 12.
The square root of 220030023 is about 14833.4090147882. The cubic root of 220030023 is about 603.7085335168.
Adding to 220030023 its reverse (320030022), we get a palindrome (540060045).
Subtracting 220030023 from its reverse (320030022), we obtain a palindrome (99999999).
It can be divided in two parts, 2200 and 30023, that added together give a palindrome (32223).
The spelling of 220030023 in words is "two hundred twenty million, thirty thousand, twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •