Base | Representation |
---|---|
bin | 101100011111… |
… | …1100010101111 |
3 | 1121220020021221 |
4 | 1120333202233 |
5 | 21433011233 |
6 | 2152004211 |
7 | 402202261 |
oct | 130774257 |
9 | 47806257 |
10 | 23328943 |
11 | 12194420 |
12 | 7990667 |
13 | 4aaa711 |
14 | 3153b31 |
15 | 20ac42d |
hex | 163f8af |
23328943 has 8 divisors (see below), whose sum is σ = 25684560. Its totient is φ = 21012480.
The previous prime is 23328881. The next prime is 23328971. The reversal of 23328943 is 34982332.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23328943 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23328899 and 23328908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23328983) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8530 + ... + 10927.
It is an arithmetic number, because the mean of its divisors is an integer number (3210570).
Almost surely, 223328943 is an apocalyptic number.
23328943 is a deficient number, since it is larger than the sum of its proper divisors (2355617).
23328943 is a wasteful number, since it uses less digits than its factorization.
23328943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19577.
The product of its digits is 31104, while the sum is 34.
The square root of 23328943 is about 4830.0044513437. The cubic root of 23328943 is about 285.7360394032.
It can be divided in two parts, 233289 and 43, that added together give a palindrome (233332).
The spelling of 23328943 in words is "twenty-three million, three hundred twenty-eight thousand, nine hundred forty-three".
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