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349161 = 3116387
BaseRepresentation
bin1010101001111101001
3122201221220
41111033221
542133121
611252253
72652651
oct1251751
9581856
10349161
1121936a
1214a089
13c2c07
1491361
156d6c6
hex553e9

349161 has 4 divisors (see below), whose sum is σ = 465552. Its totient is φ = 232772.

The previous prime is 349133. The next prime is 349171. The reversal of 349161 is 161943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-349161 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 349161.

It is not an unprimeable number, because it can be changed into a prime (349121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58191 + ... + 58196.

It is an arithmetic number, because the mean of its divisors is an integer number (116388).

2349161 is an apocalyptic number.

It is an amenable number.

349161 is a deficient number, since it is larger than the sum of its proper divisors (116391).

349161 is a wasteful number, since it uses less digits than its factorization.

349161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116390.

The product of its digits is 648, while the sum is 24.

The square root of 349161 is about 590.8984684360. The cubic root of 349161 is about 70.4166309925.

The spelling of 349161 in words is "three hundred forty-nine thousand, one hundred sixty-one".

Divisors: 1 3 116387 349161