Base | Representation |
---|---|
bin | 101011111001… |
… | …0111010000001 |
3 | 1121022021200221 |
4 | 1113302322001 |
5 | 21342440131 |
6 | 2141143041 |
7 | 366424150 |
oct | 127627201 |
9 | 47267627 |
10 | 23015041 |
11 | 11a9a5a5 |
12 | 785aa81 |
13 | 49ca88a |
14 | 30b1597 |
15 | 2049411 |
hex | 15f2e81 |
23015041 has 16 divisors (see below), whose sum is σ = 26866944. Its totient is φ = 19309824.
The previous prime is 23015029. The next prime is 23015081. The reversal of 23015041 is 14051032.
It is a cyclic number.
It is not a de Polignac number, because 23015041 - 211 = 23012993 is a prime.
It is a super-2 number, since 2×230150412 = 1059384224463362, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23015011) 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 15 ways as a sum of consecutive naturals, for example, 98661 + ... + 98893.
It is an arithmetic number, because the mean of its divisors is an integer number (1679184).
Almost surely, 223015041 is an apocalyptic number.
It is an amenable number.
23015041 is a deficient number, since it is larger than the sum of its proper divisors (3851903).
23015041 is a wasteful number, since it uses less digits than its factorization.
23015041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 480.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 23015041 is about 4797.3993996748. The cubic root of 23015041 is about 284.4486766553.
Adding to 23015041 its reverse (14051032), we get a palindrome (37066073).
The spelling of 23015041 in words is "twenty-three million, fifteen thousand, forty-one".
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