Base | Representation |
---|---|
bin | 101100000000… |
… | …0100101010101 |
3 | 1121102010112202 |
4 | 1120000211111 |
5 | 21401233221 |
6 | 2142254245 |
7 | 400046366 |
oct | 130004525 |
9 | 47363482 |
10 | 23071061 |
11 | 120286a2 |
12 | 7887385 |
13 | 4a1a220 |
14 | 30c7b6d |
15 | 205ad0b |
hex | 1600955 |
23071061 has 4 divisors (see below), whose sum is σ = 24845772. Its totient is φ = 21296352.
The previous prime is 23071051. The next prime is 23071121. The reversal of 23071061 is 16017032.
It is a happy number.
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 15062161 + 8008900 = 3881^2 + 2830^2 .
It is a cyclic number.
It is not a de Polignac number, because 23071061 - 222 = 18876757 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 (23071051) 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, 887336 + ... + 887361.
It is an arithmetic number, because the mean of its divisors is an integer number (6211443).
Almost surely, 223071061 is an apocalyptic number.
It is an amenable number.
23071061 is a deficient number, since it is larger than the sum of its proper divisors (1774711).
23071061 is a wasteful number, since it uses less digits than its factorization.
23071061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1774710.
The product of its (nonzero) digits is 252, while the sum is 20.
The square root of 23071061 is about 4803.2344310891. The cubic root of 23071061 is about 284.6792780774.
Adding to 23071061 its reverse (16017032), we get a palindrome (39088093).
The spelling of 23071061 in words is "twenty-three million, seventy-one thousand, sixty-one".
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