Base | Representation |
---|---|
bin | 101100001010… |
… | …0011000001101 |
3 | 1121120020202201 |
4 | 1120110120031 |
5 | 21411332031 |
6 | 2144121501 |
7 | 400534645 |
oct | 130243015 |
9 | 47506681 |
10 | 23152141 |
11 | 12083601 |
12 | 7906291 |
13 | 4a480bc |
14 | 3109525 |
15 | 2074d61 |
hex | 161460d |
23152141 has 4 divisors (see below), whose sum is σ = 23165212. Its totient is φ = 23139072.
The previous prime is 23152139. The next prime is 23152159. The reversal of 23152141 is 14125132.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 4748041 + 18404100 = 2179^2 + 4290^2 .
It is a cyclic number.
It is not a de Polignac number, because 23152141 - 21 = 23152139 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23152841) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3366 + ... + 7591.
It is an arithmetic number, because the mean of its divisors is an integer number (5791303).
Almost surely, 223152141 is an apocalyptic number.
It is an amenable number.
23152141 is a deficient number, since it is larger than the sum of its proper divisors (13071).
23152141 is a wasteful number, since it uses less digits than its factorization.
23152141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13070.
The product of its digits is 240, while the sum is 19.
The square root of 23152141 is about 4811.6671746911. The cubic root of 23152141 is about 285.0123766042.
Adding to 23152141 its reverse (14125132), we get a palindrome (37277273).
The spelling of 23152141 in words is "twenty-three million, one hundred fifty-two thousand, one hundred forty-one".
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