Base | Representation |
---|---|
bin | 101011111010… |
… | …0001011000101 |
3 | 1121022112211002 |
4 | 1113310023011 |
5 | 21343121404 |
6 | 2141223045 |
7 | 366445241 |
oct | 127641305 |
9 | 47275732 |
10 | 23020229 |
11 | 11aa3491 |
12 | 7861a85 |
13 | 4a0004b |
14 | 30b3421 |
15 | 204ac1e |
hex | 15f42c5 |
23020229 has 16 divisors (see below), whose sum is σ = 25704000. Its totient is φ = 20522880.
The previous prime is 23020201. The next prime is 23020273. The reversal of 23020229 is 92202032.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23020229 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 23020229.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23020429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22082 + ... + 23100.
It is an arithmetic number, because the mean of its divisors is an integer number (1606500).
Almost surely, 223020229 is an apocalyptic number.
23020229 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
23020229 is a deficient number, since it is larger than the sum of its proper divisors (2683771).
23020229 is a wasteful number, since it uses less digits than its factorization.
23020229 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1108.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 23020229 is about 4797.9400788255. The cubic root of 23020229 is about 284.4700483149.
The spelling of 23020229 in words is "twenty-three million, twenty thousand, two hundred twenty-nine".
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