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5133831 = 31711277
BaseRepresentation
bin10011100101011000000111
3100122211021220
4103211120013
52303240311
6302011423
761431303
oct23453007
910584256
105133831
11299713a
121876b73
1310a9991
14978d03
156b6206
hex4e5607

5133831 has 4 divisors (see below), whose sum is σ = 6845112. Its totient is φ = 3422552.

The previous prime is 5133809. The next prime is 5133839. The reversal of 5133831 is 1383315.

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

It is a cyclic number.

It is not a de Polignac number, because 5133831 - 213 = 5125639 is a prime.

It is a super-2 number, since 2×51338312 = 52712441473122, which contains 22 as substring.

It is a D-number.

5133831 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5133839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855636 + ... + 855641.

It is an arithmetic number, because the mean of its divisors is an integer number (1711278).

Almost surely, 25133831 is an apocalyptic number.

5133831 is a deficient number, since it is larger than the sum of its proper divisors (1711281).

5133831 is a wasteful number, since it uses less digits than its factorization.

5133831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711280.

The product of its digits is 1080, while the sum is 24.

The square root of 5133831 is about 2265.7958866588. The cubic root of 5133831 is about 172.5098335079.

The spelling of 5133831 in words is "five million, one hundred thirty-three thousand, eight hundred thirty-one".

Divisors: 1 3 1711277 5133831