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349279834 = 2174639917
BaseRepresentation
bin10100110100011…
…001011001011010
3220100020020212011
4110310121121122
51203403423314
654354140134
711440554361
oct2464313132
9810206764
10349279834
1116a183122
1298b8164a
1357493477
14345607d8
15209e54c4
hex14d1965a

349279834 has 4 divisors (see below), whose sum is σ = 523919754. Its totient is φ = 174639916.

The previous prime is 349279829. The next prime is 349279837. The reversal of 349279834 is 438972943.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 438972943 = 2621167483.

It can be written as a sum of positive squares in only one way, i.e., 318444025 + 30835809 = 17845^2 + 5553^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (349279837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87319957 + ... + 87319960.

Almost surely, 2349279834 is an apocalyptic number.

349279834 is a deficient number, since it is larger than the sum of its proper divisors (174639920).

349279834 is a wasteful number, since it uses less digits than its factorization.

349279834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174639919.

The product of its digits is 1306368, while the sum is 49.

The square root of 349279834 is about 18689.0297768504. The cubic root of 349279834 is about 704.2461865513.

The spelling of 349279834 in words is "three hundred forty-nine million, two hundred seventy-nine thousand, eight hundred thirty-four".

Divisors: 1 2 174639917 349279834