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5281087060 = 22517109142501
BaseRepresentation
bin1001110101100011…
…01111111001010100
3111122001022000112001
410322301233321110
541303424241220
62232012005044
7244604333164
oct47261577124
914561260461
105281087060
112270043967
121034760784
13662166cb2
143815505a4
1520d97b80a
hex13ac6fe54

5281087060 has 48 divisors (see below), whose sum is σ = 11850466320. Its totient is φ = 1969920000.

The previous prime is 5281087051. The next prime is 5281087067. The reversal of 5281087060 is 607801825.

It can be written as a sum of positive squares in 8 ways, for example, as 44249104 + 5236837956 = 6652^2 + 72366^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281087067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34191 + ... + 108310.

It is an arithmetic number, because the mean of its divisors is an integer number (246884715).

Almost surely, 25281087060 is an apocalyptic number.

It is an amenable number.

5281087060 is an abundant number, since it is smaller than the sum of its proper divisors (6569379260).

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

5281087060 is a wasteful number, since it uses less digits than its factorization.

5281087060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142636 (or 142634 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 5281087060 is about 72671.0881988154. The cubic root of 5281087060 is about 1741.4370323478.

Adding to 5281087060 its reverse (607801825), we get a palindrome (5888888885).

The spelling of 5281087060 in words is "five billion, two hundred eighty-one million, eighty-seven thousand, sixty".

Divisors: 1 2 4 5 10 17 20 34 68 85 109 170 218 340 436 545 1090 1853 2180 3706 7412 9265 18530 37060 142501 285002 570004 712505 1425010 2422517 2850020 4845034 9690068 12112585 15532609 24225170 31065218 48450340 62130436 77663045 155326090 264054353 310652180 528108706 1056217412 1320271765 2640543530 5281087060