Base | Representation |
---|---|
bin | 11001001110011… |
… | …110000000001111 |
3 | 1002111100222020110 |
4 | 121032132000033 |
5 | 1331321121221 |
6 | 105555051103 |
7 | 13326224130 |
oct | 3116360017 |
9 | 1074328213 |
10 | 423223311 |
11 | 1a7997a35 |
12 | b98a0a93 |
13 | 698b2bc4 |
14 | 402cbc87 |
15 | 2724e776 |
hex | 1939e00f |
423223311 has 8 divisors (see below), whose sum is σ = 644911744. Its totient is φ = 241841880.
The previous prime is 423223259. The next prime is 423223321. The reversal of 423223311 is 113322324.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 423223311 - 211 = 423221263 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 20153491 = 423223311 / (4 + 2 + 3 + 2 + 2 + 3 + 3 + 1 + 1).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (423223321) 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, 10076725 + ... + 10076766.
It is an arithmetic number, because the mean of its divisors is an integer number (80613968).
Almost surely, 2423223311 is an apocalyptic number.
423223311 is a deficient number, since it is larger than the sum of its proper divisors (221688433).
423223311 is a wasteful number, since it uses less digits than its factorization.
423223311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20153501.
The product of its digits is 864, while the sum is 21.
The square root of 423223311 is about 20572.3919610725. The cubic root of 423223311 is about 750.7981494198.
Adding to 423223311 its reverse (113322324), we get a palindrome (536545635).
The spelling of 423223311 in words is "four hundred twenty-three million, two hundred twenty-three thousand, three hundred eleven".
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