Base | Representation |
---|---|
bin | 101011111000… |
… | …0101101011010 |
3 | 1121021211100122 |
4 | 1113300231122 |
5 | 21342143132 |
6 | 2141033242 |
7 | 366356003 |
oct | 127605532 |
9 | 47254318 |
10 | 23006042 |
11 | 11a93864 |
12 | 7855822 |
13 | 49c6757 |
14 | 30ac1aa |
15 | 2046912 |
hex | 15f0b5a |
23006042 has 4 divisors (see below), whose sum is σ = 34509066. Its totient is φ = 11503020.
The previous prime is 23006041. The next prime is 23006051. The reversal of 23006042 is 24060032.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 12823561 + 10182481 = 3581^2 + 3191^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 23006042.
It is not an unprimeable number, because it can be changed into a prime (23006041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5751509 + ... + 5751512.
Almost surely, 223006042 is an apocalyptic number.
23006042 is a deficient number, since it is larger than the sum of its proper divisors (11503024).
23006042 is a wasteful number, since it uses less digits than its factorization.
23006042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11503023.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 23006042 is about 4796.4614039936. The cubic root of 23006042 is about 284.4115981879.
Adding to 23006042 its reverse (24060032), we get a palindrome (47066074).
The spelling of 23006042 in words is "twenty-three million, six thousand, forty-two".
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