Base | Representation |
---|---|
bin | 101011100010… |
… | …1101111101101 |
3 | 1120221212221211 |
4 | 1113011233231 |
5 | 21321030221 |
6 | 2133154421 |
7 | 365023642 |
oct | 127055755 |
9 | 46855854 |
10 | 22830061 |
11 | 11983621 |
12 | 778ba11 |
13 | 4964617 |
14 | 3063dc9 |
15 | 200e6e1 |
hex | 15c5bed |
22830061 has 4 divisors (see below), whose sum is σ = 22844800. Its totient is φ = 22815324.
The previous prime is 22830019. The next prime is 22830079. The reversal of 22830061 is 16003822.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16003822 = 2 ⋅8001911.
It is a cyclic number.
It is not a de Polignac number, because 22830061 - 29 = 22829549 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22830011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4731 + ... + 8248.
It is an arithmetic number, because the mean of its divisors is an integer number (5711200).
Almost surely, 222830061 is an apocalyptic number.
It is an amenable number.
22830061 is a deficient number, since it is larger than the sum of its proper divisors (14739).
22830061 is a wasteful number, since it uses less digits than its factorization.
22830061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14738.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 22830061 is about 4778.0813094798. The cubic root of 22830061 is about 283.6845543722.
Adding to 22830061 its reverse (16003822), we get a palindrome (38833883).
The spelling of 22830061 in words is "twenty-two million, eight hundred thirty thousand, sixty-one".
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