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5711131 = 43132817
BaseRepresentation
bin10101110010010100011011
3101202011012101
4111302110123
52430224011
6322224231
766354346
oct25622433
911664171
105711131
113250948
121ab5077
13124c68a
14a8945d
1577c2c1
hex57251b

5711131 has 4 divisors (see below), whose sum is σ = 5843992. Its totient is φ = 5578272.

The previous prime is 5711113. The next prime is 5711149. The reversal of 5711131 is 1311175.

5711131 = 2142 + 2152 + ... + 2992.

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

It is an interprime number because it is at equal distance from previous prime (5711113) and next prime (5711149).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5711131 is a prime.

It is a super-2 number, since 2×57111312 = 65234034598322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5711099 and 5711108.

It is not an unprimeable number, because it can be changed into a prime (5711171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66366 + ... + 66451.

It is an arithmetic number, because the mean of its divisors is an integer number (1460998).

Almost surely, 25711131 is an apocalyptic number.

5711131 is a deficient number, since it is larger than the sum of its proper divisors (132861).

5711131 is a wasteful number, since it uses less digits than its factorization.

5711131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132860.

The product of its digits is 105, while the sum is 19.

The square root of 5711131 is about 2389.7972717367. The cubic root of 5711131 is about 178.7478008434.

The spelling of 5711131 in words is "five million, seven hundred eleven thousand, one hundred thirty-one".

Divisors: 1 43 132817 5711131