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2272727525 = 5290909101
BaseRepresentation
bin1000011101110111…
…0001000111100101
312212101112112001112
42013131301013211
514123304240100
61013304234405
7110214602525
oct20735610745
95771475045
102272727525
11a66993912
1253516ba05
132a2b167b3
14177bad685
15d47d5b35
hex877711e5

2272727525 has 6 divisors (see below), whose sum is σ = 2818182162. Its totient is φ = 1818182000.

The previous prime is 2272727489. The next prime is 2272727531. The reversal of 2272727525 is 5257272722.

It can be written as a sum of positive squares in 3 ways, for example, as 122921569 + 2149805956 = 11087^2 + 46366^2 .

It is not a de Polignac number, because 2272727525 - 28 = 2272727269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45454526 + ... + 45454575.

It is an arithmetic number, because the mean of its divisors is an integer number (469697027).

Almost surely, 22272727525 is an apocalyptic number.

2272727525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2272727525 is a deficient number, since it is larger than the sum of its proper divisors (545454637).

2272727525 is an equidigital number, since it uses as much as digits as its factorization.

2272727525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90909111 (or 90909106 counting only the distinct ones).

The product of its digits is 274400, while the sum is 41.

The square root of 2272727525 is about 47673.1321081382. The cubic root of 2272727525 is about 1314.7679958111.

The spelling of 2272727525 in words is "two billion, two hundred seventy-two million, seven hundred twenty-seven thousand, five hundred twenty-five".

Divisors: 1 5 25 90909101 454545505 2272727525