Base | Representation |
---|---|
bin | 11110100000111001101000 |
3 | 120001101200020 |
4 | 132200321220 |
5 | 4021432310 |
6 | 443240440 |
7 | 124663635 |
oct | 36407150 |
9 | 16041606 |
10 | 7999080 |
11 | 4573911 |
12 | 2819120 |
13 | 1870bab |
14 | 10c318c |
15 | a80170 |
hex | 7a0e68 |
7999080 has 64 divisors (see below), whose sum is σ = 24192000. Its totient is φ = 2115840.
The previous prime is 7999051. The next prime is 7999081. The reversal of 7999080 is 809997.
It is a happy number.
7999080 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (7999081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22746 + ... + 23094.
It is an arithmetic number, because the mean of its divisors is an integer number (378000).
Almost surely, 27999080 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7999080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12096000).
7999080 is an abundant number, since it is smaller than the sum of its proper divisors (16192920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7999080 is a wasteful number, since it uses less digits than its factorization.
7999080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 554 (or 550 counting only the distinct ones).
The product of its (nonzero) digits is 40824, while the sum is 42.
The square root of 7999080 is about 2828.2644855105. The cubic root of 7999080 is about 199.9923330394.
The spelling of 7999080 in words is "seven million, nine hundred ninety-nine thousand, eighty".
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