Base | Representation |
---|---|
bin | 101101001010… |
… | …1100001000001 |
3 | 1122120010100101 |
4 | 1122111201001 |
5 | 22030243324 |
6 | 2203322401 |
7 | 405200035 |
oct | 132254101 |
9 | 48503311 |
10 | 23681089 |
11 | 12404a53 |
12 | 7b20401 |
13 | 4ba1aa3 |
14 | 32061c5 |
15 | 212b944 |
hex | 1695841 |
23681089 has 8 divisors (see below), whose sum is σ = 24691392. Its totient is φ = 22691760.
The previous prime is 23681069. The next prime is 23681093. The reversal of 23681089 is 98018632.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23681089 - 213 = 23672897 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23681069) 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, 2917 + ... + 7474.
It is an arithmetic number, because the mean of its divisors is an integer number (3086424).
Almost surely, 223681089 is an apocalyptic number.
It is an amenable number.
23681089 is a deficient number, since it is larger than the sum of its proper divisors (1010303).
23681089 is a wasteful number, since it uses less digits than its factorization.
23681089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10487.
The product of its (nonzero) digits is 20736, while the sum is 37.
The square root of 23681089 is about 4866.3219170129. The cubic root of 23681089 is about 287.1665760368.
It can be divided in two parts, 2368 and 1089, that multiplied together give a palindrome (2578752).
The spelling of 23681089 in words is "twenty-three million, six hundred eighty-one thousand, eighty-nine".
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