Base | Representation |
---|---|
bin | 101100011000… |
… | …1001001100101 |
3 | 1121210020102110 |
4 | 1120301021211 |
5 | 21424114424 |
6 | 2150431233 |
7 | 401535351 |
oct | 130611145 |
9 | 47706373 |
10 | 23269989 |
11 | 121540a6 |
12 | 7962519 |
13 | 4a89932 |
14 | 313a461 |
15 | 2099c29 |
hex | 1631265 |
23269989 has 8 divisors (see below), whose sum is σ = 31063392. Its totient is φ = 15494960.
The previous prime is 23269979. The next prime is 23269993. The reversal of 23269989 is 98996232.
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 23269989 - 24 = 23269973 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23269969) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1299 + ... + 6944.
It is an arithmetic number, because the mean of its divisors is an integer number (3882924).
Almost surely, 223269989 is an apocalyptic number.
It is an amenable number.
23269989 is a deficient number, since it is larger than the sum of its proper divisors (7793403).
23269989 is an equidigital number, since it uses as much as digits as its factorization.
23269989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9187.
The product of its digits is 419904, while the sum is 48.
The square root of 23269989 is about 4823.8976979202. The cubic root of 23269989 is about 285.4951441886.
The spelling of 23269989 in words is "twenty-three million, two hundred sixty-nine thousand, nine hundred eighty-nine".
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