Base | Representation |
---|---|
bin | 101100000011… |
… | …1111110100101 |
3 | 1121110200002112 |
4 | 1120013332211 |
5 | 21403220344 |
6 | 2143050405 |
7 | 400233605 |
oct | 130077645 |
9 | 47420075 |
10 | 23101349 |
11 | 12049427 |
12 | 78a0a05 |
13 | 4a2ac4b |
14 | 30d4c05 |
15 | 2064c9e |
hex | 1607fa5 |
23101349 has 4 divisors (see below), whose sum is σ = 23141964. Its totient is φ = 23060736.
The previous prime is 23101343. The next prime is 23101373. The reversal of 23101349 is 94310132.
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 21224449 + 1876900 = 4607^2 + 1370^2 .
It is a cyclic number.
It is not a de Polignac number, because 23101349 - 24 = 23101333 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 (23101343) 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, 19442 + ... + 20595.
It is an arithmetic number, because the mean of its divisors is an integer number (5785491).
Almost surely, 223101349 is an apocalyptic number.
It is an amenable number.
23101349 is a deficient number, since it is larger than the sum of its proper divisors (40615).
23101349 is an equidigital number, since it uses as much as digits as its factorization.
23101349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40614.
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 23101349 is about 4806.3862724504. The cubic root of 23101349 is about 284.8038005334.
The spelling of 23101349 in words is "twenty-three million, one hundred one thousand, three hundred forty-nine".
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