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535974985 = 57213168281
BaseRepresentation
bin11111111100100…
…101010001001001
31101100112100110101
4133330211101021
52044202144420
6125103445401
716165466200
oct3774452111
91340470411
10535974985
112555a8a37
1212b5b6861
138706c880
145127c237
15320c260a
hex1ff25449

535974985 has 24 divisors (see below), whose sum is σ = 805734216. Its totient is φ = 339252480.

The previous prime is 535974949. The next prime is 535975039. The reversal of 535974985 is 589479535.

It can be written as a sum of positive squares in 4 ways, for example, as 45441081 + 490533904 = 6741^2 + 22148^2 .

It is not a de Polignac number, because 535974985 - 215 = 535942217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80956 + ... + 87325.

It is an arithmetic number, because the mean of its divisors is an integer number (33572259).

Almost surely, 2535974985 is an apocalyptic number.

It is an amenable number.

535974985 is a deficient number, since it is larger than the sum of its proper divisors (269759231).

535974985 is a wasteful number, since it uses less digits than its factorization.

535974985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168313 (or 168306 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 55.

The square root of 535974985 is about 23151.1335575604. The cubic root of 535974985 is about 812.2969831232.

The spelling of 535974985 in words is "five hundred thirty-five million, nine hundred seventy-four thousand, nine hundred eighty-five".

Divisors: 1 5 7 13 35 49 65 91 245 455 637 3185 168281 841405 1177967 2187653 5889835 8245769 10938265 15313571 41228845 76567855 107194997 535974985