Base | Representation |
---|---|
bin | 101101100100… |
… | …0011100110000 |
3 | 1122221201112011 |
4 | 1123020130300 |
5 | 22103432322 |
6 | 2212012304 |
7 | 410026210 |
oct | 133103460 |
9 | 48851464 |
10 | 23889712 |
11 | 12537770 |
12 | 8001094 |
13 | 4c45a32 |
14 | 325c240 |
15 | 216d677 |
hex | 16c8730 |
23889712 has 40 divisors (see below), whose sum is σ = 57710592. Its totient is φ = 9307200.
The previous prime is 23889703. The next prime is 23889713. The reversal of 23889712 is 21798832.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (23889713) 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, 8464 + ... + 10927.
Almost surely, 223889712 is an apocalyptic number.
23889712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
23889712 is an abundant number, since it is smaller than the sum of its proper divisors (33820880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23889712 is a wasteful number, since it uses less digits than its factorization.
23889712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19417 (or 19411 counting only the distinct ones).
The product of its digits is 48384, while the sum is 40.
The square root of 23889712 is about 4887.7103023809. The cubic root of 23889712 is about 288.0073943575.
It can be divided in two parts, 2388 and 9712, that added together give a square (12100 = 1102).
The spelling of 23889712 in words is "twenty-three million, eight hundred eighty-nine thousand, seven hundred twelve".
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