Base | Representation |
---|---|
bin | 101100000101… |
… | …0101101011101 |
3 | 1121111020110001 |
4 | 1120022231131 |
5 | 21404100131 |
6 | 2143214301 |
7 | 400311334 |
oct | 130125535 |
9 | 47436401 |
10 | 23112541 |
11 | 12056881 |
12 | 78a7391 |
13 | 4a3307a |
14 | 30d8d1b |
15 | 2068261 |
hex | 160ab5d |
23112541 has 4 divisors (see below), whose sum is σ = 23135584. Its totient is φ = 23089500.
The previous prime is 23112527. The next prime is 23112547. The reversal of 23112541 is 14521132.
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 23112541 - 29 = 23112029 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 (23112547) 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, 9945 + ... + 12046.
It is an arithmetic number, because the mean of its divisors is an integer number (5783896).
Almost surely, 223112541 is an apocalyptic number.
It is an amenable number.
23112541 is a deficient number, since it is larger than the sum of its proper divisors (23043).
23112541 is a wasteful number, since it uses less digits than its factorization.
23112541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23042.
The product of its digits is 240, while the sum is 19.
The square root of 23112541 is about 4807.5504157523. The cubic root of 23112541 is about 284.8497864413.
Adding to 23112541 its reverse (14521132), we get a palindrome (37633673).
It can be divided in two parts, 23112 and 541, that added together give a triangular number (23653 = T217).
The spelling of 23112541 in words is "twenty-three million, one hundred twelve thousand, five hundred forty-one".
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