Base | Representation |
---|---|
bin | 101100011000… |
… | …1101100001101 |
3 | 1121210100110112 |
4 | 1120301230031 |
5 | 21424202310 |
6 | 2150445405 |
7 | 401544665 |
oct | 130615415 |
9 | 47710415 |
10 | 23272205 |
11 | 12155830 |
12 | 7963865 |
13 | 4a8a948 |
14 | 313b1a5 |
15 | 209a705 |
hex | 1631b0d |
23272205 has 16 divisors (see below), whose sum is σ = 31791744. Its totient is φ = 16188480.
The previous prime is 23272199. The next prime is 23272211. The reversal of 23272205 is 50227232.
It is an interprime number because it is at equal distance from previous prime (23272199) and next prime (23272211).
It is not a de Polignac number, because 23272205 - 212 = 23268109 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7934 + ... + 10463.
It is an arithmetic number, because the mean of its divisors is an integer number (1986984).
Almost surely, 223272205 is an apocalyptic number.
It is an amenable number.
23272205 is a deficient number, since it is larger than the sum of its proper divisors (8519539).
23272205 is a wasteful number, since it uses less digits than its factorization.
23272205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18436.
The product of its (nonzero) digits is 1680, while the sum is 23.
The square root of 23272205 is about 4824.1273822319. The cubic root of 23272205 is about 285.5042064642.
Adding to 23272205 its reverse (50227232), we get a palindrome (73499437).
The spelling of 23272205 in words is "twenty-three million, two hundred seventy-two thousand, two hundred five".
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