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340441 = 615581
BaseRepresentation
bin1010011000111011001
3122021222221
41103013121
541343231
611144041
72615353
oct1230731
9567887
10340441
11212862
12145021
13bbc5a
148c0d3
156ad11
hex531d9

340441 has 4 divisors (see below), whose sum is σ = 346084. Its totient is φ = 334800.

The previous prime is 340429. The next prime is 340447. The reversal of 340441 is 144043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144043 = 294967.

It can be written as a sum of positive squares in 2 ways, for example, as 48841 + 291600 = 221^2 + 540^2 .

It is a cyclic number.

It is not a de Polignac number, because 340441 - 25 = 340409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340447) 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, 2730 + ... + 2851.

It is an arithmetic number, because the mean of its divisors is an integer number (86521).

2340441 is an apocalyptic number.

It is an amenable number.

340441 is a deficient number, since it is larger than the sum of its proper divisors (5643).

340441 is an equidigital number, since it uses as much as digits as its factorization.

340441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5642.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 340441 is about 583.4732213221. The cubic root of 340441 is about 69.8254836438.

Adding to 340441 its reverse (144043), we get a palindrome (484484).

The spelling of 340441 in words is "three hundred forty thousand, four hundred forty-one", and thus it is an iban number.

Divisors: 1 61 5581 340441