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348181 is a prime number
BaseRepresentation
bin1010101000000010101
3122200121121
41111000111
542120211
611243541
72650051
oct1250025
9580547
10348181
11218659
121495b1
13c2632
1490c61
156d271
hex55015

348181 has 2 divisors, whose sum is σ = 348182. Its totient is φ = 348180.

The previous prime is 348163. The next prime is 348191. The reversal of 348181 is 181843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 348100 + 81 = 590^2 + 9^2 .

It is a cyclic number.

It is not a de Polignac number, because 348181 - 25 = 348149 is a prime.

It is a super-2 number, since 2×3481812 = 242460017522, which contains 22 as substring.

348181 is a lucky number.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174090 + 174091.

It is an arithmetic number, because the mean of its divisors is an integer number (174091).

2348181 is an apocalyptic number.

It is an amenable number.

348181 is a deficient number, since it is larger than the sum of its proper divisors (1).

348181 is an equidigital number, since it uses as much as digits as its factorization.

348181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 25.

The square root of 348181 is about 590.0686400750. The cubic root of 348181 is about 70.3506891474.

It can be divided in two parts, 3481 and 81, that multiplied together give a square (281961 = 5312).

The spelling of 348181 in words is "three hundred forty-eight thousand, one hundred eighty-one".