Base | Representation |
---|---|
bin | 1000001000000011010111 |
3 | 11000012222220 |
4 | 20020003113 |
5 | 1021131020 |
6 | 113353423 |
7 | 24051210 |
oct | 10100327 |
9 | 4005886 |
10 | 2130135 |
11 | 1225447 |
12 | 868873 |
13 | 597747 |
14 | 3d6407 |
15 | 2c1240 |
hex | 2080d7 |
2130135 has 16 divisors (see below), whose sum is σ = 3895296. Its totient is φ = 973728.
The previous prime is 2130133. The next prime is 2130169. The reversal of 2130135 is 5310312.
It is a happy number.
It is not a de Polignac number, because 2130135 - 21 = 2130133 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130133) 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, 10039 + ... + 10248.
It is an arithmetic number, because the mean of its divisors is an integer number (243456).
22130135 is an apocalyptic number.
2130135 is a deficient number, since it is larger than the sum of its proper divisors (1765161).
2130135 is a wasteful number, since it uses less digits than its factorization.
2130135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20302.
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 2130135 is about 1459.4982014377. The cubic root of 2130135 is about 128.6675533361.
Adding to 2130135 its reverse (5310312), we get a palindrome (7440447).
The spelling of 2130135 in words is "two million, one hundred thirty thousand, one hundred thirty-five".
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