Base | Representation |
---|---|
bin | 101100000001… |
… | …0011100011110 |
3 | 1121102112000011 |
4 | 1120002130132 |
5 | 21402004221 |
6 | 2142353434 |
7 | 400110541 |
oct | 130023436 |
9 | 47375004 |
10 | 23078686 |
11 | 120333a4 |
12 | 788b87a |
13 | 4a20837 |
14 | 30ca858 |
15 | 205d1e1 |
hex | 160271e |
23078686 has 16 divisors (see below), whose sum is σ = 35390736. Its totient is φ = 11284416.
The previous prime is 23078677. The next prime is 23078687. The reversal of 23078686 is 68687032.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23078687) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20490 + ... + 21586.
It is an arithmetic number, because the mean of its divisors is an integer number (2211921).
Almost surely, 223078686 is an apocalyptic number.
23078686 is a deficient number, since it is larger than the sum of its proper divisors (12312050).
23078686 is a wasteful number, since it uses less digits than its factorization.
23078686 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1323.
The product of its (nonzero) digits is 96768, while the sum is 40.
The square root of 23078686 is about 4804.0281014998. The cubic root of 23078686 is about 284.7106368491.
The spelling of 23078686 in words is "twenty-three million, seventy-eight thousand, six hundred eighty-six".
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