Search a number
-
+
285236413450 = 2525704728269
BaseRepresentation
bin1000010011010010110…
…10100100010000001010
31000021020121122010100021
410021221122210100022
514133131010212300
6335011422131054
726415265340062
oct4115132442012
91007217563307
10285236413450
11aaa715791aa
1247345120a8a
1320b89279091
14db3c49c3a2
1576464e7d1a
hex42696a440a

285236413450 has 12 divisors (see below), whose sum is σ = 530539729110. Its totient is φ = 114094565360.

The previous prime is 285236413387. The next prime is 285236413453. The reversal of 285236413450 is 54314632582.

It can be written as a sum of positive squares in 3 ways, for example, as 104387794281 + 180848619169 = 323091^2 + 425263^2 .

It is a junction number, because it is equal to n+sod(n) for n = 285236413397 and 285236413406.

It is not an unprimeable number, because it can be changed into a prime (285236413453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2852364085 + ... + 2852364184.

Almost surely, 2285236413450 is an apocalyptic number.

285236413450 is a deficient number, since it is larger than the sum of its proper divisors (245303315660).

285236413450 is a wasteful number, since it uses less digits than its factorization.

285236413450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704728281 (or 5704728276 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 285236413450 in words is "two hundred eighty-five billion, two hundred thirty-six million, four hundred thirteen thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 5704728269 11409456538 28523641345 57047282690 142618206725 285236413450