Base | Representation |
---|---|
bin | 101011110111… |
… | …1011110110011 |
3 | 1121021120110022 |
4 | 1113233132303 |
5 | 21342013021 |
6 | 2140554055 |
7 | 366335225 |
oct | 127573663 |
9 | 47246408 |
10 | 23001011 |
11 | 11a90000 |
12 | 785292b |
13 | 49c4387 |
14 | 30aa415 |
15 | 20451ab |
hex | 15ef7b3 |
23001011 has 10 divisors (see below), whose sum is σ = 25317060. Its totient is φ = 20896700.
The previous prime is 23001007. The next prime is 23001019. The reversal of 23001011 is 11010032.
It is not a de Polignac number, because 23001011 - 22 = 23001007 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23001011.
It is not an unprimeable number, because it can be changed into a prime (23001019) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13856 + ... + 15426.
It is an arithmetic number, because the mean of its divisors is an integer number (2531706).
Almost surely, 223001011 is an apocalyptic number.
23001011 is a deficient number, since it is larger than the sum of its proper divisors (2316049).
23001011 is an frugal number, since it uses more digits than its factorization.
23001011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1615 (or 1582 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 8.
The square root of 23001011 is about 4795.9369261908. The cubic root of 23001011 is about 284.3908648075.
Adding to 23001011 its reverse (11010032), we get a palindrome (34011043).
The spelling of 23001011 in words is "twenty-three million, one thousand, eleven".
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