Base | Representation |
---|---|
bin | 111101011011101100111 |
3 | 10210021100201 |
4 | 13223131213 |
5 | 1003404111 |
6 | 111051331 |
7 | 23052616 |
oct | 7533547 |
9 | 3707321 |
10 | 2013031 |
11 | 1155469 |
12 | 810b47 |
13 | 556357 |
14 | 3a587d |
15 | 29b6c1 |
hex | 1eb767 |
2013031 has 8 divisors (see below), whose sum is σ = 2142000. Its totient is φ = 1886400.
The previous prime is 2013023. The next prime is 2013043. The reversal of 2013031 is 1303102.
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 2013031 - 23 = 2013023 is a prime.
It is a super-2 number, since 2×20130312 = 8104587613922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2012999 and 2013017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2013001) 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, 1395 + ... + 2443.
It is an arithmetic number, because the mean of its divisors is an integer number (267750).
22013031 is an apocalyptic number.
2013031 is a deficient number, since it is larger than the sum of its proper divisors (128969).
2013031 is a wasteful number, since it uses less digits than its factorization.
2013031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1169.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 2013031 is about 1418.8132364762. The cubic root of 2013031 is about 126.2651466976.
Subtracting from 2013031 its sum of digits (10), we obtain a triangular number (2013021 = T2006).
Adding to 2013031 its reverse (1303102), we get a palindrome (3316133).
The spelling of 2013031 in words is "two million, thirteen thousand, thirty-one".
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