Base | Representation |
---|---|
bin | 101101100110… |
… | …0011010010110 |
3 | 1122222112210021 |
4 | 1123030122112 |
5 | 22104442232 |
6 | 2212215354 |
7 | 410124424 |
oct | 133143226 |
9 | 48875707 |
10 | 23905942 |
11 | 12548985 |
12 | 800a55a |
13 | 4c50238 |
14 | 3264114 |
15 | 2173397 |
hex | 16cc696 |
23905942 has 8 divisors (see below), whose sum is σ = 36047232. Its totient is φ = 11890200.
The previous prime is 23905897. The next prime is 23905949. The reversal of 23905942 is 24950932.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 23905898 and 23905907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23905949) 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 3 ways as a sum of consecutive naturals, for example, 30909 + ... + 31672.
It is an arithmetic number, because the mean of its divisors is an integer number (4505904).
Almost surely, 223905942 is an apocalyptic number.
23905942 is a deficient number, since it is larger than the sum of its proper divisors (12141290).
23905942 is a wasteful number, since it uses less digits than its factorization.
23905942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62774.
The product of its (nonzero) digits is 19440, while the sum is 34.
The square root of 23905942 is about 4889.3703071050. The cubic root of 23905942 is about 288.0726009740.
The spelling of 23905942 in words is "twenty-three million, nine hundred five thousand, nine hundred forty-two".
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