Base | Representation |
---|---|
bin | 11010101101000000010000 |
3 | 111011122022020 |
4 | 122231000100 |
5 | 3243000310 |
6 | 410011440 |
7 | 113333253 |
oct | 32550020 |
9 | 14148266 |
10 | 7000080 |
11 | 3a5129a |
12 | 2416b80 |
13 | 15b1279 |
14 | d0309a |
15 | 934170 |
hex | 6ad010 |
7000080 has 40 divisors (see below), whose sum is σ = 21700992. Its totient is φ = 1866624.
The previous prime is 7000069. The next prime is 7000087. The reversal of 7000080 is 800007.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×70000802 = 98002240012800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (7000087) 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, 14344 + ... + 14823.
Almost surely, 27000080 is an apocalyptic number.
It is an amenable number.
7000080 is an abundant number, since it is smaller than the sum of its proper divisors (14700912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7000080 is a wasteful number, since it uses less digits than its factorization.
7000080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29183 (or 29177 counting only the distinct ones).
The product of its (nonzero) digits is 56, while the sum is 15.
The square root of 7000080 is about 2645.7664296003. The cubic root of 7000080 is about 191.2938470102.
Adding to 7000080 its reverse (800007), we get a palindrome (7800087).
The spelling of 7000080 in words is "seven million, eighty", and thus it is an aban number and an uban number.
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