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349442 = 2174721
BaseRepresentation
bin1010101010100000010
3122202100022
41111110002
542140232
611253442
72653532
oct1252402
9582308
10349442
112195a5
1214a282
13c3092
14914c2
156d812
hex55502

349442 has 4 divisors (see below), whose sum is σ = 524166. Its totient is φ = 174720.

The previous prime is 349423. The next prime is 349471. The reversal of 349442 is 244943.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 337561 + 11881 = 581^2 + 109^2 .

It is a super-2 number, since 2×3494422 = 244219422728, which contains 22 as substring.

It is an unprimeable number.

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, 87359 + ... + 87362.

2349442 is an apocalyptic number.

349442 is a deficient number, since it is larger than the sum of its proper divisors (174724).

349442 is a wasteful number, since it uses less digits than its factorization.

349442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174723.

The product of its digits is 3456, while the sum is 26.

The square root of 349442 is about 591.1361941211. The cubic root of 349442 is about 70.4355160413.

The spelling of 349442 in words is "three hundred forty-nine thousand, four hundred forty-two".

Divisors: 1 2 174721 349442