Base | Representation |
---|---|
bin | 11100101000010111100100 |
3 | 112010022110001 |
4 | 130220113210 |
5 | 3410133010 |
6 | 424511044 |
7 | 120536401 |
oct | 34502744 |
9 | 15108401 |
10 | 7505380 |
11 | 42669a3 |
12 | 261b484 |
13 | 172a26c |
14 | dd52a8 |
15 | 9d3c3a |
hex | 7285e4 |
7505380 has 24 divisors (see below), whose sum is σ = 16591680. Its totient is φ = 2844000.
The previous prime is 7505359. The next prime is 7505389. The reversal of 7505380 is 835057.
It is not an unprimeable number, because it can be changed into a prime (7505389) 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 7 ways as a sum of consecutive naturals, for example, 9496 + ... + 10255.
It is an arithmetic number, because the mean of its divisors is an integer number (691320).
Almost surely, 27505380 is an apocalyptic number.
It is an amenable number.
7505380 is an abundant number, since it is smaller than the sum of its proper divisors (9086300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7505380 is a wasteful number, since it uses less digits than its factorization.
7505380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19779 (or 19777 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 28.
The square root of 7505380 is about 2739.5948605588. The cubic root of 7505380 is about 195.7901752890.
The spelling of 7505380 in words is "seven million, five hundred five thousand, three hundred eighty".
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