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8535289825 = 52983334721
BaseRepresentation
bin1111111001011111…
…00010111111100001
3211000211122122111101
413330233202333201
5114440013233300
63530540514401
7421340523616
oct77457427741
924024578441
108535289825
11368aa48637
1217a254ba01
13a60402b6a
145ad80850d
1534e4d4b6a
hex1fcbe2fe1

8535289825 has 12 divisors (see below), whose sum is σ = 10585140588. Its totient is φ = 6827340800.

The previous prime is 8535289823. The next prime is 8535289843. The reversal of 8535289825 is 5289825358.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 68161536 + 8467128289 = 8256^2 + 92017^2 .

It is not a de Polignac number, because 8535289825 - 21 = 8535289823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8535289823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228465 + ... + 263185.

It is an arithmetic number, because the mean of its divisors is an integer number (882095049).

Almost surely, 28535289825 is an apocalyptic number.

It is an amenable number.

8535289825 is a deficient number, since it is larger than the sum of its proper divisors (2049850763).

8535289825 is a wasteful number, since it uses less digits than its factorization.

8535289825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44564 (or 44559 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 55.

The square root of 8535289825 is about 92386.6322851959. The cubic root of 8535289825 is about 2043.6479825755.

The spelling of 8535289825 in words is "eight billion, five hundred thirty-five million, two hundred eighty-nine thousand, eight hundred twenty-five".

Divisors: 1 5 25 9833 34721 49165 173605 245825 868025 341411593 1707057965 8535289825