Base | Representation |
---|---|
bin | 101101010111… |
… | …1111010110110 |
3 | 1122202121200220 |
4 | 1122233322312 |
5 | 22042223423 |
6 | 2205515210 |
7 | 406130244 |
oct | 132577266 |
9 | 48677626 |
10 | 23789238 |
11 | 12479230 |
12 | 7b72b06 |
13 | 4c0c095 |
14 | 3233794 |
15 | 214d9e3 |
hex | 16afeb6 |
23789238 has 32 divisors (see below), whose sum is σ = 53015040. Its totient is φ = 7054560.
The previous prime is 23789231. The next prime is 23789243. The reversal of 23789238 is 83298732.
It is a self number, because there is not a number n which added to its sum of digits gives 23789238.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23789231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733 + ... + 6936.
It is an arithmetic number, because the mean of its divisors is an integer number (1656720).
Almost surely, 223789238 is an apocalyptic number.
23789238 is an abundant number, since it is smaller than the sum of its proper divisors (29225802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23789238 is a wasteful number, since it uses less digits than its factorization.
23789238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7732.
The product of its digits is 145152, while the sum is 42.
The square root of 23789238 is about 4877.4212448793. The cubic root of 23789238 is about 287.6030652534.
The spelling of 23789238 in words is "twenty-three million, seven hundred eighty-nine thousand, two hundred thirty-eight".
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