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247141 is a prime number
BaseRepresentation
bin111100010101100101
3110120000101
4330111211
530402031
65144101
72046346
oct742545
9416011
10247141
11159754
12bb031
138864b
14660cd
154d361
hex3c565

247141 has 2 divisors, whose sum is σ = 247142. Its totient is φ = 247140.

The previous prime is 247099. The next prime is 247183. The reversal of 247141 is 141742.

It is a balanced prime because it is at equal distance from previous prime (247099) and next prime (247183).

It can be written as a sum of positive squares in only one way, i.e., 245025 + 2116 = 495^2 + 46^2 .

It is a cyclic number.

It is not a de Polignac number, because 247141 - 213 = 238949 is a prime.

It is a super-2 number, since 2×2471412 = 122157347762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123570 + 123571.

It is an arithmetic number, because the mean of its divisors is an integer number (123571).

2247141 is an apocalyptic number.

It is an amenable number.

247141 is a deficient number, since it is larger than the sum of its proper divisors (1).

247141 is an equidigital number, since it uses as much as digits as its factorization.

247141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224, while the sum is 19.

The square root of 247141 is about 497.1327790440. The cubic root of 247141 is about 62.7549902647.

Adding to 247141 its reverse (141742), we get a palindrome (388883).

The spelling of 247141 in words is "two hundred forty-seven thousand, one hundred forty-one", and thus it is an iban number.