Base | Representation |
---|---|
bin | 101011111011… |
… | …0111001000110 |
3 | 1121100010002120 |
4 | 1113312321012 |
5 | 21344000431 |
6 | 2141350410 |
7 | 366522561 |
oct | 127667106 |
9 | 47303076 |
10 | 23031366 |
11 | 12000896 |
12 | 7868406 |
13 | 4a05137 |
14 | 30b74d8 |
15 | 204e196 |
hex | 15f6e46 |
23031366 has 8 divisors (see below), whose sum is σ = 46062744. Its totient is φ = 7677120.
The previous prime is 23031329. The next prime is 23031367. The reversal of 23031366 is 66313032.
It is a sphenic number, since it is the product of 3 distinct primes.
23031366 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23031367) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919275 + ... + 1919286.
It is an arithmetic number, because the mean of its divisors is an integer number (5757843).
Almost surely, 223031366 is an apocalyptic number.
23031366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23031366 is a wasteful number, since it uses less digits than its factorization.
23031366 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3838566.
The product of its (nonzero) digits is 1944, while the sum is 24.
The square root of 23031366 is about 4799.1005407264. The cubic root of 23031366 is about 284.5159156859.
Adding to 23031366 its reverse (66313032), we get a palindrome (89344398).
The spelling of 23031366 in words is "twenty-three million, thirty-one thousand, three hundred sixty-six".
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