Base | Representation |
---|---|
bin | 11110011100010000100000 |
3 | 120000102120221 |
4 | 132130100200 |
5 | 4020330224 |
6 | 443012424 |
7 | 124554331 |
oct | 36342040 |
9 | 16012527 |
10 | 7980064 |
11 | 45605a4 |
12 | 280a114 |
13 | 1865341 |
14 | 10ba288 |
15 | a796e4 |
hex | 79c420 |
7980064 has 12 divisors (see below), whose sum is σ = 15710814. Its totient is φ = 3990016.
The previous prime is 7980061. The next prime is 7980067. The reversal of 7980064 is 4600897.
It is an interprime number because it is at equal distance from previous prime (7980061) and next prime (7980067).
It can be written as a sum of positive squares in only one way, i.e., 6290064 + 1690000 = 2508^2 + 1300^2 .
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7980061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124657 + ... + 124720.
Almost surely, 27980064 is an apocalyptic number.
It is an amenable number.
7980064 is a deficient number, since it is larger than the sum of its proper divisors (7730750).
7980064 is a wasteful number, since it uses less digits than its factorization.
7980064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 249387 (or 249379 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 7980064 is about 2824.9007062196. The cubic root of 7980064 is about 199.8337284739.
The spelling of 7980064 in words is "seven million, nine hundred eighty thousand, sixty-four".
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