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5686181 is a prime number
BaseRepresentation
bin10101101100001110100101
3101200212222022
4111230032211
52423424211
6321512525
766221534
oct25541645
911625868
105686181
113234126
121aa2745
131241207
14a8031b
15774bdb
hex56c3a5

5686181 has 2 divisors, whose sum is σ = 5686182. Its totient is φ = 5686180.

The previous prime is 5686169. The next prime is 5686193. The reversal of 5686181 is 1816865.

It is a balanced prime because it is at equal distance from previous prime (5686169) and next prime (5686193).

It can be written as a sum of positive squares in only one way, i.e., 3094081 + 2592100 = 1759^2 + 1610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5686181 is a prime.

It is a super-2 number, since 2×56861812 = 64665308729522, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5686141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2843090 + 2843091.

It is an arithmetic number, because the mean of its divisors is an integer number (2843091).

Almost surely, 25686181 is an apocalyptic number.

It is an amenable number.

5686181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5686181 is an equidigital number, since it uses as much as digits as its factorization.

5686181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 35.

The square root of 5686181 is about 2384.5714499675. The cubic root of 5686181 is about 178.4871246405.

The spelling of 5686181 in words is "five million, six hundred eighty-six thousand, one hundred eighty-one".