Search a number
-
+
5525505281 = 89109569581
BaseRepresentation
bin1010010010101100…
…01000010100000001
3112021002012202021202
411021112020110001
542304012132111
62312142430545
7253633006562
oct51126102401
915232182252
105525505281
11238600499a
1210a2592455
136a09a3b6a
143a5bb6169
1522515bb3b
hex149588501

5525505281 has 8 divisors (see below), whose sum is σ = 5638861800. Its totient is φ = 5413288320.

The previous prime is 5525505259. The next prime is 5525505283. The reversal of 5525505281 is 1825055255.

It can be written as a sum of positive squares in 4 ways, for example, as 289680400 + 5235824881 = 17020^2 + 72359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5525505281 - 214 = 5525488897 is a prime.

It is a super-2 number, since 2×55255052812 = 61062417220717777922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5525505283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275090 + ... + 294491.

It is an arithmetic number, because the mean of its divisors is an integer number (704857725).

Almost surely, 25525505281 is an apocalyptic number.

It is an amenable number.

5525505281 is a deficient number, since it is larger than the sum of its proper divisors (113356519).

5525505281 is a wasteful number, since it uses less digits than its factorization.

5525505281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569779.

The product of its (nonzero) digits is 100000, while the sum is 38.

The square root of 5525505281 is about 74333.7425467062. The cubic root of 5525505281 is about 1767.8985221584.

The spelling of 5525505281 in words is "five billion, five hundred twenty-five million, five hundred five thousand, two hundred eighty-one".

Divisors: 1 89 109 9701 569581 50692709 62084329 5525505281