Search a number
-
+
2489203085 = 5497840617
BaseRepresentation
bin1001010001011110…
…0011100110001101
320102110212121200212
42110113203212031
520044213444320
61051000132205
7115453606565
oct22427434615
96373777625
102489203085
1110680aa136
12595767065
1330891bc45
1419883dda5
15e87e69c5
hex945e398d

2489203085 has 4 divisors (see below), whose sum is σ = 2987043708. Its totient is φ = 1991362464.

The previous prime is 2489203069. The next prime is 2489203127. The reversal of 2489203085 is 5803029842.

2489203085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 881674249 + 1607528836 = 29693^2 + 40094^2 .

It is a cyclic number.

It is not a de Polignac number, because 2489203085 - 24 = 2489203069 is a prime.

It is a super-2 number, since 2×24892030852 = 12392263996747034450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248920304 + ... + 248920313.

It is an arithmetic number, because the mean of its divisors is an integer number (746760927).

Almost surely, 22489203085 is an apocalyptic number.

It is an amenable number.

2489203085 is a deficient number, since it is larger than the sum of its proper divisors (497840623).

2489203085 is an equidigital number, since it uses as much as digits as its factorization.

2489203085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497840622.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 2489203085 is about 49891.9140242184. The cubic root of 2489203085 is about 1355.2521664101.

The spelling of 2489203085 in words is "two billion, four hundred eighty-nine million, two hundred three thousand, eighty-five".

Divisors: 1 5 497840617 2489203085