Base | Representation |
---|---|
bin | 101101101101… |
… | …1100011001000 |
3 | 1200002200211122 |
4 | 1123123203020 |
5 | 22113433234 |
6 | 2213414412 |
7 | 410503250 |
oct | 133334310 |
9 | 50080748 |
10 | 23967944 |
11 | 12590520 |
12 | 803a408 |
13 | 4c72520 |
14 | 327c960 |
15 | 218692e |
hex | 16db8c8 |
23967944 has 128 divisors (see below), whose sum is σ = 62657280. Its totient is φ = 8294400.
The previous prime is 23967941. The next prime is 23967947. The reversal of 23967944 is 44976932.
It is an interprime number because it is at equal distance from previous prime (23967941) and next prime (23967947).
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a junction number, because it is equal to n+sod(n) for n = 23967895 and 23967904.
It is not an unprimeable number, because it can be changed into a prime (23967941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328292 + ... + 328364.
It is an arithmetic number, because the mean of its divisors is an integer number (489510).
Almost surely, 223967944 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23967944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31328640).
23967944 is an abundant number, since it is smaller than the sum of its proper divisors (38689336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23967944 is a wasteful number, since it uses less digits than its factorization.
23967944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151 (or 147 counting only the distinct ones).
The product of its digits is 326592, while the sum is 44.
The square root of 23967944 is about 4895.7066905606. The cubic root of 23967944 is about 288.3214325299.
The spelling of 23967944 in words is "twenty-three million, nine hundred sixty-seven thousand, nine hundred forty-four".
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