Base | Representation |
---|---|
bin | 101100110010… |
… | …0110001010110 |
3 | 1122011222110121 |
4 | 1121210301112 |
5 | 22002401210 |
6 | 2155142154 |
7 | 403405660 |
oct | 131446126 |
9 | 48158417 |
10 | 23481430 |
11 | 12288a45 |
12 | 7a4495a |
13 | 4b31c4b |
14 | 3193530 |
15 | 20dc6da |
hex | 1664c56 |
23481430 has 16 divisors (see below), whose sum is σ = 48304800. Its totient is φ = 8050752.
The previous prime is 23481379. The next prime is 23481439. The reversal of 23481430 is 3418432.
It is a junction number, because it is equal to n+sod(n) for n = 23481395 and 23481404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23481439) 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, 167655 + ... + 167794.
It is an arithmetic number, because the mean of its divisors is an integer number (3019050).
Almost surely, 223481430 is an apocalyptic number.
23481430 is an abundant number, since it is smaller than the sum of its proper divisors (24823370).
23481430 is a wasteful number, since it uses less digits than its factorization.
23481430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335463.
The product of its (nonzero) digits is 2304, while the sum is 25.
The square root of 23481430 is about 4845.7641296291. The cubic root of 23481430 is about 286.3572483210.
Adding to 23481430 its reverse (3418432), we get a palindrome (26899862).
The spelling of 23481430 in words is "twenty-three million, four hundred eighty-one thousand, four hundred thirty".
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