Search a number
-
+
2553530305 = 51721767149
BaseRepresentation
bin1001100000110011…
…1100011111000001
320120221220210001111
42120030330133001
520212200432210
61101215003321
7120164435524
oct23014743701
96527823044
102553530305
1110a0446127
125b3209541
133190526a1
141a31c6bbb
15ee2a188a
hex9833c7c1

2553530305 has 12 divisors (see below), whose sum is σ = 3255090300. Its totient is φ = 1922657024.

The previous prime is 2553530293. The next prime is 2553530363. The reversal of 2553530305 is 5030353552.

It can be written as a sum of positive squares in 6 ways, for example, as 350464 + 2553179841 = 592^2 + 50529^2 .

It is not a de Polignac number, because 2553530305 - 29 = 2553529793 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 882130 + ... + 885019.

It is an arithmetic number, because the mean of its divisors is an integer number (271257525).

Almost surely, 22553530305 is an apocalyptic number.

It is an amenable number.

2553530305 is a deficient number, since it is larger than the sum of its proper divisors (701559995).

2553530305 is a wasteful number, since it uses less digits than its factorization.

2553530305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767188 (or 1767171 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 31.

The square root of 2553530305 is about 50532.4678300991. The cubic root of 2553530305 is about 1366.8273869746.

Adding to 2553530305 its reverse (5030353552), we get a palindrome (7583883857).

The spelling of 2553530305 in words is "two billion, five hundred fifty-three million, five hundred thirty thousand, three hundred five".

Divisors: 1 5 17 85 289 1445 1767149 8835745 30041533 150207665 510706061 2553530305