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5671231 = 61239389
BaseRepresentation
bin10101101000100100111111
3101200010110121
4111220210333
52422434411
6321315411
766130126
oct25504477
911603417
105671231
113223975
121a95b67
131237477
14a78abd
15770571
hex56893f

5671231 has 8 divisors (see below), whose sum is σ = 5803200. Its totient is φ = 5540640.

The previous prime is 5671213. The next prime is 5671241. The reversal of 5671231 is 1321765.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5671231 - 25 = 5671199 is a prime.

It is a super-2 number, since 2×56712312 = 64325722110722, 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 = 5671196 and 5671205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5671241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14385 + ... + 14773.

It is an arithmetic number, because the mean of its divisors is an integer number (725400).

Almost surely, 25671231 is an apocalyptic number.

5671231 is a deficient number, since it is larger than the sum of its proper divisors (131969).

5671231 is a wasteful number, since it uses less digits than its factorization.

5671231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689.

The product of its digits is 1260, while the sum is 25.

The square root of 5671231 is about 2381.4346516333. The cubic root of 5671231 is about 178.3305623544.

Adding to 5671231 its reverse (1321765), we get a palindrome (6992996).

The spelling of 5671231 in words is "five million, six hundred seventy-one thousand, two hundred thirty-one".

Divisors: 1 61 239 389 14579 23729 92971 5671231