Base | Representation |
---|---|
bin | 101100001001… |
… | …1001110010111 |
3 | 1121120000021200 |
4 | 1120103032113 |
5 | 21411204130 |
6 | 2144043543 |
7 | 400515114 |
oct | 130231627 |
9 | 47500250 |
10 | 23147415 |
11 | 1207aaa5 |
12 | 79035b3 |
13 | 4a45bc5 |
14 | 310790b |
15 | 2073760 |
hex | 1613397 |
23147415 has 24 divisors (see below), whose sum is σ = 42235440. Its totient is φ = 11695104.
The previous prime is 23147413. The next prime is 23147429. The reversal of 23147415 is 51474132.
It is not a de Polignac number, because 23147415 - 21 = 23147413 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23147413) 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 23 ways as a sum of consecutive naturals, for example, 12682 + ... + 14391.
It is an arithmetic number, because the mean of its divisors is an integer number (1759810).
Almost surely, 223147415 is an apocalyptic number.
23147415 is a deficient number, since it is larger than the sum of its proper divisors (19088025).
23147415 is a wasteful number, since it uses less digits than its factorization.
23147415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27103 (or 27100 counting only the distinct ones).
The product of its digits is 3360, while the sum is 27.
The square root of 23147415 is about 4811.1760516531. The cubic root of 23147415 is about 284.9929822833.
The spelling of 23147415 in words is "twenty-three million, one hundred forty-seven thousand, four hundred fifteen".
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