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5286238381 = 11234707247
BaseRepresentation
bin1001110110001010…
…11001100010101101
3111122101222201210201
410323011121202231
541311234112011
62232314233501
7244666166464
oct47305314255
914571881721
105286238381
112272a42156
121036425891
1366324b908
143820d19db
1520e147cc1
hex13b1598ad

5286238381 has 4 divisors (see below), whose sum is σ = 5290946752. Its totient is φ = 5281530012.

The previous prime is 5286238367. The next prime is 5286238403. The reversal of 5286238381 is 1838326825.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-5286238381 is a prime.

It is a super-2 number, since 2×52862383812 = 55888632441515002322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5286238301) 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, 2352501 + ... + 2354746.

It is an arithmetic number, because the mean of its divisors is an integer number (1322736688).

Almost surely, 25286238381 is an apocalyptic number.

It is an amenable number.

5286238381 is a deficient number, since it is larger than the sum of its proper divisors (4708371).

5286238381 is a wasteful number, since it uses less digits than its factorization.

5286238381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708370.

The product of its digits is 552960, while the sum is 46.

The square root of 5286238381 is about 72706.5222727645. The cubic root of 5286238381 is about 1742.0030639164.

The spelling of 5286238381 in words is "five billion, two hundred eighty-six million, two hundred thirty-eight thousand, three hundred eighty-one".

Divisors: 1 1123 4707247 5286238381