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5731852681 = 757092
BaseRepresentation
bin1010101011010010…
…10010000110001001
3112210110111021201001
411111221102012021
543214323241211
62344433255001
7262016641522
oct52551220611
915713437631
105731852681
112481532835
12113b704461
13704671309
143c536b849
1523831bac1
hex155a52189

5731852681 has 3 divisors (see below), whose sum is σ = 5731928391. Its totient is φ = 5731776972.

The previous prime is 5731852667. The next prime is 5731852699. The reversal of 5731852681 is 1862581375.

The square root of 5731852681 is 75709.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 4912748281 + 819104400 = 70091^2 + 28620^2 .

It is not a de Polignac number, because 5731852681 - 223 = 5723464073 is a prime.

It is a super-2 number, since 2×57318526812 = 65708270313373775522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5731852631) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 37855 + ... + 113563.

It is an arithmetic number, because the mean of its divisors is an integer number (1910642797).

Almost surely, 25731852681 is an apocalyptic number.

5731852681 is the 75709-th square number.

5731852681 is the 37855-th centered octagonal number.

It is an amenable number.

5731852681 is a deficient number, since it is larger than the sum of its proper divisors (75710).

5731852681 is an frugal number, since it uses more digits than its factorization.

5731852681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151418 (or 75709 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The cubic root of 5731852681 is about 1789.6372329574.

The spelling of 5731852681 in words is "five billion, seven hundred thirty-one million, eight hundred fifty-two thousand, six hundred eighty-one".

Divisors: 1 75709 5731852681