Base | Representation |
---|---|
bin | 1000001000000111110111 |
3 | 11000020101120 |
4 | 20020013313 |
5 | 1021133143 |
6 | 113355023 |
7 | 24052101 |
oct | 10100767 |
9 | 4006346 |
10 | 2130423 |
11 | 1225689 |
12 | 868a73 |
13 | 597909 |
14 | 3d6571 |
15 | 2c1383 |
hex | 2081f7 |
2130423 has 16 divisors (see below), whose sum is σ = 3091680. Its totient is φ = 1299456.
The previous prime is 2130391. The next prime is 2130437. The reversal of 2130423 is 3240312.
It is not a de Polignac number, because 2130423 - 25 = 2130391 is a prime.
It is a d-powerful number, because it can be written as 215 + 1 + 35 + 0 + 42 + 221 + 35 .
2130423 is a lucky number.
It is a plaindrome in base 11.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130473) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323 + ... + 2451.
It is an arithmetic number, because the mean of its divisors is an integer number (193230).
22130423 is an apocalyptic number.
2130423 is a deficient number, since it is larger than the sum of its proper divisors (961257).
2130423 is a wasteful number, since it uses less digits than its factorization.
2130423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1186.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 2130423 is about 1459.5968621506. The cubic root of 2130423 is about 128.6733518083.
Adding to 2130423 its reverse (3240312), we get a palindrome (5370735).
The spelling of 2130423 in words is "two million, one hundred thirty thousand, four hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •