Base | Representation |
---|---|
bin | 101011111010… |
… | …0001010101010 |
3 | 1121022112210002 |
4 | 1113310022222 |
5 | 21343121302 |
6 | 2141223002 |
7 | 366445202 |
oct | 127641252 |
9 | 47275702 |
10 | 23020202 |
11 | 11aa3467 |
12 | 7861a62 |
13 | 4a0002a |
14 | 30b3402 |
15 | 204ac02 |
hex | 15f42aa |
23020202 has 8 divisors (see below), whose sum is σ = 34762500. Its totient is φ = 11432704.
The previous prime is 23020201. The next prime is 23020273. The reversal of 23020202 is 20202032.
It can be written as a sum of positive squares in 2 ways, for example, as 15832441 + 7187761 = 3979^2 + 2681^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (23020201) 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 3 ways as a sum of consecutive naturals, for example, 38327 + ... + 38922.
Almost surely, 223020202 is an apocalyptic number.
23020202 is a deficient number, since it is larger than the sum of its proper divisors (11742298).
23020202 is a wasteful number, since it uses less digits than its factorization.
23020202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77400.
The product of its (nonzero) digits is 48, while the sum is 11.
The square root of 23020202 is about 4797.9372651172. The cubic root of 23020202 is about 284.4699370983.
Adding to 23020202 its reverse (20202032), we get a palindrome (43222234).
The spelling of 23020202 in words is "twenty-three million, twenty thousand, two hundred two".
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