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349172 = 2287293
BaseRepresentation
bin1010101001111110100
3122201222022
41111033310
542133142
611252312
72652665
oct1251764
9581868
10349172
1121937a
1214a098
13c2c15
149136c
156d6d2
hex553f4

349172 has 6 divisors (see below), whose sum is σ = 611058. Its totient is φ = 174584.

The previous prime is 349171. The next prime is 349177. The reversal of 349172 is 271943.

It can be written as a sum of positive squares in only one way, i.e., 343396 + 5776 = 586^2 + 76^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 349172.

It is not an unprimeable number, because it can be changed into a prime (349171) 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 as a sum of consecutive naturals, namely, 43643 + ... + 43650.

It is an arithmetic number, because the mean of its divisors is an integer number (101843).

2349172 is an apocalyptic number.

It is an amenable number.

349172 is a deficient number, since it is larger than the sum of its proper divisors (261886).

349172 is a wasteful number, since it uses less digits than its factorization.

349172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87297 (or 87295 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 349172 is about 590.9077762223. The cubic root of 349172 is about 70.4173704554.

The spelling of 349172 in words is "three hundred forty-nine thousand, one hundred seventy-two".

Divisors: 1 2 4 87293 174586 349172