Base | Representation |
---|---|
bin | 101101010111111… |
… | …100010000000000 |
3 | 1222001102112210200 |
4 | 231113330100000 |
5 | 3024340011231 |
6 | 203312125200 |
7 | 24602345064 |
oct | 5527742000 |
9 | 1861375720 |
10 | 761250816 |
11 | 360785007 |
12 | 192b36800 |
13 | c1936791 |
14 | 7315daa4 |
15 | 46c70be6 |
hex | 2d5fc400 |
761250816 has 66 divisors (see below), whose sum is σ = 2198121822. Its totient is φ = 253747200.
The previous prime is 761250811. The next prime is 761250817. The reversal of 761250816 is 618052167.
It can be written as a sum of positive squares in only one way, i.e., 580617216 + 180633600 = 24096^2 + 13440^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (761250811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32085 + ... + 50516.
Almost surely, 2761250816 is an apocalyptic number.
It is an amenable number.
761250816 is an abundant number, since it is smaller than the sum of its proper divisors (1436871006).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
761250816 is a wasteful number, since it uses less digits than its factorization.
761250816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82627 (or 82606 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 761250816 is about 27590.7741101985. The cubic root of 761250816 is about 913.0808975519.
The spelling of 761250816 in words is "seven hundred sixty-one million, two hundred fifty thousand, eight hundred sixteen".
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