Base | Representation |
---|---|
bin | 101100010001… |
… | …1101000001101 |
3 | 1121200102110012 |
4 | 1120203220031 |
5 | 21420331410 |
6 | 2145323005 |
7 | 401215031 |
oct | 130435015 |
9 | 47612405 |
10 | 23214605 |
11 | 12116527 |
12 | 7936465 |
13 | 4a6a66b |
14 | 31241c1 |
15 | 2088605 |
hex | 1623a0d |
23214605 has 8 divisors (see below), whose sum is σ = 29496312. Its totient is φ = 17479168.
The previous prime is 23214601. The next prime is 23214617. The reversal of 23214605 is 50641232.
It can be written as a sum of positive squares in 4 ways, for example, as 5262436 + 17952169 = 2294^2 + 4237^2 .
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 23214605 - 22 = 23214601 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 (23214601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136472 + ... + 136641.
It is an arithmetic number, because the mean of its divisors is an integer number (3687039).
Almost surely, 223214605 is an apocalyptic number.
It is an amenable number.
23214605 is a deficient number, since it is larger than the sum of its proper divisors (6281707).
23214605 is a wasteful number, since it uses less digits than its factorization.
23214605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 273135.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 23214605 is about 4818.1536920277. The cubic root of 23214605 is about 285.2684656102.
Adding to 23214605 its reverse (50641232), we get a palindrome (73855837).
The spelling of 23214605 in words is "twenty-three million, two hundred fourteen thousand, six hundred five".
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