Base | Representation |
---|---|
bin | 101100001001… |
… | …0011111111010 |
3 | 1121112212012120 |
4 | 1120102133322 |
5 | 21411110232 |
6 | 2144022110 |
7 | 400503336 |
oct | 130223772 |
9 | 47485176 |
10 | 23144442 |
11 | 12078842 |
12 | 7901936 |
13 | 4a44749 |
14 | 31067c6 |
15 | 207292c |
hex | 16127fa |
23144442 has 16 divisors (see below), whose sum is σ = 46346880. Its totient is φ = 7705152.
The previous prime is 23144441. The next prime is 23144447. The reversal of 23144442 is 24444132.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (23144441) 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, 4143 + ... + 7965.
It is an arithmetic number, because the mean of its divisors is an integer number (2896680).
Almost surely, 223144442 is an apocalyptic number.
23144442 is an abundant number, since it is smaller than the sum of its proper divisors (23202438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23144442 is a wasteful number, since it uses less digits than its factorization.
23144442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4837.
The product of its digits is 3072, while the sum is 24.
The square root of 23144442 is about 4810.8670736157. The cubic root of 23144442 is about 284.9807804829.
Adding to 23144442 its reverse (24444132), we get a palindrome (47588574).
The spelling of 23144442 in words is "twenty-three million, one hundred forty-four thousand, four hundred forty-two".
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