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536129281 = 2272361803
BaseRepresentation
bin11111111101001…
…010111100000001
31101100211012010001
4133331022330001
52044222114111
6125111040001
716200011062
oct3775127401
91340735101
10536129281
112556a3956
1212b670001
13870c4b7c
14512bc569
15321031c1
hex1ff4af01

536129281 has 4 divisors (see below), whose sum is σ = 538491312. Its totient is φ = 533767252.

The previous prime is 536129273. The next prime is 536129299. The reversal of 536129281 is 182921635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 536129281 - 23 = 536129273 is a prime.

It is a super-2 number, since 2×5361292812 = 574869211891153922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 536129281.

It is not an unprimeable number, because it can be changed into a prime (536129201) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1180675 + ... + 1181128.

It is an arithmetic number, because the mean of its divisors is an integer number (134622828).

Almost surely, 2536129281 is an apocalyptic number.

It is an amenable number.

536129281 is a deficient number, since it is larger than the sum of its proper divisors (2362031).

536129281 is a wasteful number, since it uses less digits than its factorization.

536129281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362030.

The product of its digits is 25920, while the sum is 37.

The square root of 536129281 is about 23154.4656815915. The cubic root of 536129281 is about 812.3749234212.

The spelling of 536129281 in words is "five hundred thirty-six million, one hundred twenty-nine thousand, two hundred eighty-one".

Divisors: 1 227 2361803 536129281