Base | Representation |
---|---|
bin | 11010111011101000110101 |
3 | 111021200112021 |
4 | 122323220311 |
5 | 3301410041 |
6 | 411153141 |
7 | 114003103 |
oct | 32735065 |
9 | 14250467 |
10 | 7060021 |
11 | 3a92331 |
12 | 24457b1 |
13 | 1602637 |
14 | d1ac73 |
15 | 946cd1 |
hex | 6bba35 |
7060021 has 8 divisors (see below), whose sum is σ = 7360920. Its totient is φ = 6763008.
The previous prime is 7060013. The next prime is 7060037. The reversal of 7060021 is 1200607.
It can be written as a sum of positive squares in 4 ways, for example, as 1347921 + 5712100 = 1161^2 + 2390^2 .
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 7060021 - 23 = 7060013 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7059977 and 7060004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7060051) 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, 3085 + ... + 4861.
It is an arithmetic number, because the mean of its divisors is an integer number (920115).
Almost surely, 27060021 is an apocalyptic number.
It is an amenable number.
7060021 is a deficient number, since it is larger than the sum of its proper divisors (300899).
7060021 is a wasteful number, since it uses less digits than its factorization.
7060021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1943.
The product of its (nonzero) digits is 84, while the sum is 16.
The square root of 7060021 is about 2657.0700028415. The cubic root of 7060021 is about 191.8383060687.
Adding to 7060021 its reverse (1200607), we get a palindrome (8260628).
The spelling of 7060021 in words is "seven million, sixty thousand, twenty-one".
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