Base | Representation |
---|---|
bin | 101101011010011… |
… | …011111000001000 |
3 | 1222002122202200200 |
4 | 231122123320020 |
5 | 3030021422043 |
6 | 203334132200 |
7 | 24611040231 |
oct | 5532337010 |
9 | 1862582620 |
10 | 761904648 |
11 | 36109126a |
12 | 1931b1060 |
13 | c1b0526b |
14 | 73290088 |
15 | 46d4e7d3 |
hex | 2d69be08 |
761904648 has 36 divisors (see below), whose sum is σ = 2064126285. Its totient is φ = 253890144.
The previous prime is 761904643. The next prime is 761904673. The reversal of 761904648 is 846409167.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
761904648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 434222244 + 327682404 = 20838^2 + 18102^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=19518.
It is not an unprimeable number, because it can be changed into a prime (761904643) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 232590 + ... + 235842.
Almost surely, 2761904648 is an apocalyptic number.
It is an amenable number.
761904648 is an abundant number, since it is smaller than the sum of its proper divisors (1302221637).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
761904648 is an equidigital number, since it uses as much as digits as its factorization.
761904648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6518 (or 3258 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The square root of 761904648 is about 27602.6203103981. The cubic root of 761904648 is about 913.3422352777.
The spelling of 761904648 in words is "seven hundred sixty-one million, nine hundred four thousand, six hundred forty-eight".
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