Base | Representation |
---|---|
bin | 111101011010100000111 |
3 | 10210020112012 |
4 | 13223110013 |
5 | 1003344143 |
6 | 111044435 |
7 | 23051060 |
oct | 7532407 |
9 | 3706465 |
10 | 2012423 |
11 | 1154a66 |
12 | 81071b |
13 | 555caa |
14 | 3a5567 |
15 | 29b418 |
hex | 1eb507 |
2012423 has 8 divisors (see below), whose sum is σ = 2421120. Its totient is φ = 1634040.
The previous prime is 2012419. The next prime is 2012429. The reversal of 2012423 is 3242102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2012423 - 22 = 2012419 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2012398 and 2012407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012429) 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, 7433 + ... + 7698.
It is an arithmetic number, because the mean of its divisors is an integer number (302640).
22012423 is an apocalyptic number.
2012423 is a deficient number, since it is larger than the sum of its proper divisors (408697).
2012423 is a wasteful number, since it uses less digits than its factorization.
2012423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15157.
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 2012423 is about 1418.5989567175. The cubic root of 2012423 is about 126.2524333747.
Adding to 2012423 its reverse (3242102), we get a palindrome (5254525).
The spelling of 2012423 in words is "two million, twelve thousand, four hundred twenty-three".
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