Base | Representation |
---|---|
bin | 101100100101… |
… | …1101010110101 |
3 | 1121222202102120 |
4 | 1121023222311 |
5 | 21441103423 |
6 | 2153030153 |
7 | 402500136 |
oct | 131135265 |
9 | 47882376 |
10 | 23378613 |
11 | 12218775 |
12 | 79b5359 |
13 | 4ac71cb |
14 | 3167c8d |
15 | 20bbee3 |
hex | 164bab5 |
23378613 has 8 divisors (see below), whose sum is σ = 31196928. Its totient is φ = 15573024.
The previous prime is 23378567. The next prime is 23378657. The reversal of 23378613 is 31687332.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23378613 - 218 = 23116469 is a prime.
It is a super-3 number, since 3×233786133 (a number of 23 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23378513) 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, 2620 + ... + 7322.
It is an arithmetic number, because the mean of its divisors is an integer number (3899616).
Almost surely, 223378613 is an apocalyptic number.
It is an amenable number.
23378613 is a deficient number, since it is larger than the sum of its proper divisors (7818315).
23378613 is a wasteful number, since it uses less digits than its factorization.
23378613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6363.
The product of its digits is 18144, while the sum is 33.
The square root of 23378613 is about 4835.1435345810. The cubic root of 23378613 is about 285.9386839391.
The spelling of 23378613 in words is "twenty-three million, three hundred seventy-eight thousand, six hundred thirteen".
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