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5285762381 = 10152334281
BaseRepresentation
bin1001110110000111…
…00101010101001101
3111122101002112212002
410323003211111031
541311123344011
62232300122045
7244662144644
oct47303452515
914571075762
105285762381
112272747569
121036236325
13663113063
1438200a35b
1520e0a1c3b
hex13b0e554d

5285762381 has 4 divisors (see below), whose sum is σ = 5338096764. Its totient is φ = 5233428000.

The previous prime is 5285762371. The next prime is 5285762389. The reversal of 5285762381 is 1832675825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4501202281 + 784560100 = 67091^2 + 28010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5285762381 is a prime.

It is a super-2 number, since 2×52857623812 = 55878567896789578322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5285762389) 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, 26167040 + ... + 26167241.

It is an arithmetic number, because the mean of its divisors is an integer number (1334524191).

Almost surely, 25285762381 is an apocalyptic number.

It is an amenable number.

5285762381 is a deficient number, since it is larger than the sum of its proper divisors (52334383).

5285762381 is a wasteful number, since it uses less digits than its factorization.

5285762381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52334382.

The product of its digits is 806400, while the sum is 47.

The square root of 5285762381 is about 72703.2487650999. The cubic root of 5285762381 is about 1741.9507760519.

The spelling of 5285762381 in words is "five billion, two hundred eighty-five million, seven hundred sixty-two thousand, three hundred eighty-one".

Divisors: 1 101 52334281 5285762381