Base | Representation |
---|---|
bin | 1111010011101100011110 |
3 | 21112212120100 |
4 | 33103230132 |
5 | 2011402310 |
6 | 222001530 |
7 | 46052133 |
oct | 17235436 |
9 | 7485510 |
10 | 4012830 |
11 | 22a0998 |
12 | 14162a6 |
13 | aa6673 |
14 | 76658a |
15 | 543ec0 |
hex | 3d3b1e |
4012830 has 24 divisors (see below), whose sum is σ = 10433592. Its totient is φ = 1070064.
The previous prime is 4012829. The next prime is 4012837. The reversal of 4012830 is 382104.
It is a happy number.
It is a super-2 number, since 2×40128302 = 32205609217800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4012837) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22204 + ... + 22383.
It is an arithmetic number, because the mean of its divisors is an integer number (434733).
Almost surely, 24012830 is an apocalyptic number.
4012830 is an abundant number, since it is smaller than the sum of its proper divisors (6420762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4012830 is a wasteful number, since it uses less digits than its factorization.
4012830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44600 (or 44597 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 4012830 is about 2003.2049321026. The cubic root of 4012830 is about 158.9096436900.
Adding to 4012830 its reverse (382104), we get a palindrome (4394934).
The spelling of 4012830 in words is "four million, twelve thousand, eight hundred thirty".
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