Base | Representation |
---|---|
bin | 101100000111… |
… | …0010001100001 |
3 | 1121111222110122 |
4 | 1120032101201 |
5 | 21410032022 |
6 | 2143410025 |
7 | 400402025 |
oct | 130162141 |
9 | 47458418 |
10 | 23127137 |
11 | 12066840 |
12 | 78b3915 |
13 | 4a398c7 |
14 | 3100385 |
15 | 206c742 |
hex | 160e461 |
23127137 has 4 divisors (see below), whose sum is σ = 25229616. Its totient is φ = 21024660.
The previous prime is 23127103. The next prime is 23127151. The reversal of 23127137 is 73172132.
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 23127137 - 26 = 23127073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23127737) 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, 1051223 + ... + 1051244.
It is an arithmetic number, because the mean of its divisors is an integer number (6307404).
Almost surely, 223127137 is an apocalyptic number.
It is an amenable number.
23127137 is a deficient number, since it is larger than the sum of its proper divisors (2102479).
23127137 is a wasteful number, since it uses less digits than its factorization.
23127137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2102478.
The product of its digits is 1764, while the sum is 26.
The square root of 23127137 is about 4809.0682049645. The cubic root of 23127137 is about 284.9097364712.
Adding to 23127137 its reverse (73172132), we get a palindrome (96299269).
It can be divided in two parts, 2312 and 7137, that added together give a palindrome (9449).
The spelling of 23127137 in words is "twenty-three million, one hundred twenty-seven thousand, one hundred thirty-seven".
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