Base | Representation |
---|---|
bin | 101100010001… |
… | …0110000001111 |
3 | 1121200020112112 |
4 | 1120202300033 |
5 | 21420223043 |
6 | 2145254235 |
7 | 401201423 |
oct | 130426017 |
9 | 47606475 |
10 | 23211023 |
11 | 12113870 |
12 | 793437b |
13 | 4a68b44 |
14 | 3122b83 |
15 | 2087518 |
hex | 1622c0f |
23211023 has 8 divisors (see below), whose sum is σ = 25356240. Its totient is φ = 21071680.
The previous prime is 23210987. The next prime is 23211029. The reversal of 23211023 is 32011232.
It is a happy number.
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 23211023 - 26 = 23210959 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23210989 and 23211007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23211029) 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, 13361 + ... + 14997.
It is an arithmetic number, because the mean of its divisors is an integer number (3169530).
Almost surely, 223211023 is an apocalyptic number.
23211023 is a deficient number, since it is larger than the sum of its proper divisors (2145217).
23211023 is a wasteful number, since it uses less digits than its factorization.
23211023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2937.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 23211023 is about 4817.7819585365. The cubic root of 23211023 is about 285.2537926029.
Adding to 23211023 its reverse (32011232), we get a palindrome (55222255).
The spelling of 23211023 in words is "twenty-three million, two hundred eleven thousand, twenty-three".
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