Search a number
-
+
764242760 = 235101189169
BaseRepresentation
bin101101100011010…
…110101101001000
31222021001112222102
4231203112231020
53031121232020
6203500212532
724636646001
oct5543265510
91867045872
10764242760
11362438996
12193b3a148
13c2443568
14736dc1a8
1547162475
hex2d8d6b48

764242760 has 32 divisors (see below), whose sum is σ = 1736580600. Its totient is φ = 302668800.

The previous prime is 764242729. The next prime is 764242763. The reversal of 764242760 is 67242467.

764242760 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 4 ways, for example, as 762974884 + 1267876 = 27622^2 + 1126^2 .

It is not an unprimeable number, because it can be changed into a prime (764242763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90545 + ... + 98624.

Almost surely, 2764242760 is an apocalyptic number.

It is an amenable number.

764242760 is an abundant number, since it is smaller than the sum of its proper divisors (972337840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

764242760 is a wasteful number, since it uses less digits than its factorization.

764242760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189281 (or 189277 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 764242760 is about 27644.9409476671. The cubic root of 764242760 is about 914.2755610387.

The spelling of 764242760 in words is "seven hundred sixty-four million, two hundred forty-two thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 101 202 404 505 808 1010 2020 4040 189169 378338 756676 945845 1513352 1891690 3783380 7566760 19106069 38212138 76424276 95530345 152848552 191060690 382121380 764242760