Base | Representation |
---|---|
bin | 101011111010… |
… | …0001011000110 |
3 | 1121022112211010 |
4 | 1113310023012 |
5 | 21343121410 |
6 | 2141223050 |
7 | 366445242 |
oct | 127641306 |
9 | 47275733 |
10 | 23020230 |
11 | 11aa3492 |
12 | 7861a86 |
13 | 4a0004c |
14 | 30b3422 |
15 | 204ac20 |
hex | 15f42c6 |
23020230 has 32 divisors (see below), whose sum is σ = 55404000. Its totient is φ = 6121472.
The previous prime is 23020201. The next prime is 23020273. The reversal of 23020230 is 3202032.
It is a congruent number.
It is an unprimeable number.
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, 12616 + ... + 14324.
It is an arithmetic number, because the mean of its divisors is an integer number (1731375).
Almost surely, 223020230 is an apocalyptic number.
23020230 is an abundant number, since it is smaller than the sum of its proper divisors (32383770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23020230 is a wasteful number, since it uses less digits than its factorization.
23020230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2168.
The product of its (nonzero) digits is 72, while the sum is 12.
The square root of 23020230 is about 4797.9401830369. The cubic root of 23020230 is about 284.4700524340.
Adding to 23020230 its reverse (3202032), we get a palindrome (26222262).
The spelling of 23020230 in words is "twenty-three million, twenty thousand, two hundred thirty".
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