Base | Representation |
---|---|
bin | 101100010001… |
… | …1011111000010 |
3 | 1121200101122110 |
4 | 1120203133002 |
5 | 21420322033 |
6 | 2145320150 |
7 | 401213232 |
oct | 130433702 |
9 | 47611573 |
10 | 23214018 |
11 | 12116043 |
12 | 7936056 |
13 | 4a6a309 |
14 | 3123cc2 |
15 | 2088363 |
hex | 16237c2 |
23214018 has 16 divisors (see below), whose sum is σ = 47082816. Its totient is φ = 7628880.
The previous prime is 23214011. The next prime is 23214019. The reversal of 23214018 is 81041232.
It is a junction number, because it is equal to n+sod(n) for n = 23213985 and 23214003.
It is not an unprimeable number, because it can be changed into a prime (23214011) 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, 26821 + ... + 27672.
It is an arithmetic number, because the mean of its divisors is an integer number (2942676).
Almost surely, 223214018 is an apocalyptic number.
23214018 is an abundant number, since it is smaller than the sum of its proper divisors (23868798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23214018 is a wasteful number, since it uses less digits than its factorization.
23214018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54569.
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 23214018 is about 4818.0927761927. The cubic root of 23214018 is about 285.2660611756.
The spelling of 23214018 in words is "twenty-three million, two hundred fourteen thousand, eighteen".
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