Base | Representation |
---|---|
bin | 101101000101… |
… | …1000000011111 |
3 | 1122110221022020 |
4 | 1122023000133 |
5 | 22022404142 |
6 | 2202351223 |
7 | 404630406 |
oct | 132130037 |
9 | 48427266 |
10 | 23638047 |
11 | 12385684 |
12 | 7abb513 |
13 | 4b88314 |
14 | 31d463d |
15 | 211dcec |
hex | 168b01f |
23638047 has 8 divisors (see below), whose sum is σ = 31542960. Its totient is φ = 15745920.
The previous prime is 23637989. The next prime is 23638051. The reversal of 23638047 is 74083632.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23638047 - 26 = 23637983 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23637999 and 23638017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23638247) 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, 2647 + ... + 7367.
It is an arithmetic number, because the mean of its divisors is an integer number (3942870).
Almost surely, 223638047 is an apocalyptic number.
23638047 is a deficient number, since it is larger than the sum of its proper divisors (7904913).
23638047 is a wasteful number, since it uses less digits than its factorization.
23638047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6393.
The product of its (nonzero) digits is 24192, while the sum is 33.
The square root of 23638047 is about 4861.8974690958. The cubic root of 23638047 is about 286.9924888871.
It can be divided in two parts, 236 and 38047, that added together give a palindrome (38283).
The spelling of 23638047 in words is "twenty-three million, six hundred thirty-eight thousand, forty-seven".
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