Base | Representation |
---|---|
bin | 101100110000… |
… | …1101001100101 |
3 | 1122011022221002 |
4 | 1121201221211 |
5 | 22001444040 |
6 | 2155003045 |
7 | 403323464 |
oct | 131415145 |
9 | 48138832 |
10 | 23468645 |
11 | 1227a382 |
12 | 7a39485 |
13 | 4b29195 |
14 | 318c9db |
15 | 20d8a15 |
hex | 1661a65 |
23468645 has 8 divisors (see below), whose sum is σ = 28231800. Its totient is φ = 18728640.
The previous prime is 23468639. The next prime is 23468647. The reversal of 23468645 is 54686432.
It can be written as a sum of positive squares in 4 ways, for example, as 438244 + 23030401 = 662^2 + 4799^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23468645 - 218 = 23206501 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 23468599 and 23468608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23468647) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3470 + ... + 7679.
It is an arithmetic number, because the mean of its divisors is an integer number (3528975).
Almost surely, 223468645 is an apocalyptic number.
It is an amenable number.
23468645 is a deficient number, since it is larger than the sum of its proper divisors (4763155).
23468645 is a wasteful number, since it uses less digits than its factorization.
23468645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11575.
The product of its digits is 138240, while the sum is 38.
The square root of 23468645 is about 4844.4447566259. Note that the first 3 decimals coincide. The cubic root of 23468645 is about 286.3052676413.
The spelling of 23468645 in words is "twenty-three million, four hundred sixty-eight thousand, six hundred forty-five".
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