Base | Representation |
---|---|
bin | 101101011110… |
… | …0100011010110 |
3 | 1122212020200100 |
4 | 1122330203112 |
5 | 22100402412 |
6 | 2210554530 |
7 | 406434144 |
oct | 132744326 |
9 | 48766610 |
10 | 23840982 |
11 | 125040a0 |
12 | 7b98a46 |
13 | 4c297b9 |
14 | 3248594 |
15 | 215dedc |
hex | 16bc8d6 |
23840982 has 36 divisors (see below), whose sum is σ = 56514276. Its totient is φ = 7203720.
The previous prime is 23840981. The next prime is 23840989. The reversal of 23840982 is 28904832.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23840981) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 68533 + ... + 68879.
It is an arithmetic number, because the mean of its divisors is an integer number (1569841).
Almost surely, 223840982 is an apocalyptic number.
23840982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 23840982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28257138).
23840982 is an abundant number, since it is smaller than the sum of its proper divisors (32673294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23840982 is a wasteful number, since it uses less digits than its factorization.
23840982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 713 (or 363 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The square root of 23840982 is about 4882.7228059762. The cubic root of 23840982 is about 287.8114361740.
The spelling of 23840982 in words is "twenty-three million, eight hundred forty thousand, nine hundred eighty-two".
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