Base | Representation |
---|---|
bin | 101011111010… |
… | …0111000100101 |
3 | 1121022200210221 |
4 | 1113310320211 |
5 | 21343220031 |
6 | 2141244341 |
7 | 366456601 |
oct | 127647045 |
9 | 47280727 |
10 | 23023141 |
11 | 11aa5699 |
12 | 78636b1 |
13 | 4a0147b |
14 | 30b4501 |
15 | 204ba11 |
hex | 15f4e25 |
23023141 has 4 divisors (see below), whose sum is σ = 23040000. Its totient is φ = 23006284.
The previous prime is 23023127. The next prime is 23023183. The reversal of 23023141 is 14132032.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 23023141 - 211 = 23021093 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 (23023541) 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, 6181 + ... + 9178.
It is an arithmetic number, because the mean of its divisors is an integer number (5760000).
Almost surely, 223023141 is an apocalyptic number.
It is an amenable number.
23023141 is a deficient number, since it is larger than the sum of its proper divisors (16859).
23023141 is a wasteful number, since it uses less digits than its factorization.
23023141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16858.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 23023141 is about 4798.2435327941. The cubic root of 23023141 is about 284.4820427199.
Adding to 23023141 its reverse (14132032), we get a palindrome (37155173).
The spelling of 23023141 in words is "twenty-three million, twenty-three thousand, one hundred forty-one".
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