Base | Representation |
---|---|
bin | 11011001101101101000101 |
3 | 111102110001000 |
4 | 123031231011 |
5 | 3311242041 |
6 | 412523513 |
7 | 114431616 |
oct | 33155505 |
9 | 14373030 |
10 | 7134021 |
11 | 4032994 |
12 | 2480599 |
13 | 162a21b |
14 | d39c0d |
15 | 95dbb6 |
hex | 6cdb45 |
7134021 has 16 divisors (see below), whose sum is σ = 10640320. Its totient is φ = 4723920.
The previous prime is 7133983. The next prime is 7134031. The reversal of 7134021 is 1204317.
It is not a de Polignac number, because 7134021 - 26 = 7133957 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 7133985 and 7134003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7134031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3591 + ... + 5211.
It is an arithmetic number, because the mean of its divisors is an integer number (665020).
Almost surely, 27134021 is an apocalyptic number.
It is an amenable number.
7134021 is a deficient number, since it is larger than the sum of its proper divisors (3506299).
7134021 is a wasteful number, since it uses less digits than its factorization.
7134021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1793 (or 1787 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 7134021 is about 2670.9588166050. The cubic root of 7134021 is about 192.5062324400.
Adding to 7134021 its reverse (1204317), we get a palindrome (8338338).
The spelling of 7134021 in words is "seven million, one hundred thirty-four thousand, twenty-one".
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