Search a number
-
+
349497049 = 1131772459
BaseRepresentation
bin10100110101001…
…110011011011001
3220100122021211011
4110311032123121
51203432401144
654402533521
711442450556
oct2465163331
9810567734
10349497049
1116a311340
12990672a1
135753b2b5
14345b9a2d
1520a39a34
hex14d4e6d9

349497049 has 4 divisors (see below), whose sum is σ = 381269520. Its totient is φ = 317724580.

The previous prime is 349497041. The next prime is 349497073. The reversal of 349497049 is 940794943.

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 not a de Polignac number, because 349497049 - 23 = 349497041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 349496993 and 349497011.

It is not an unprimeable number, because it can be changed into a prime (349497041) 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, 15886219 + ... + 15886240.

It is an arithmetic number, because the mean of its divisors is an integer number (95317380).

Almost surely, 2349497049 is an apocalyptic number.

It is an amenable number.

349497049 is a deficient number, since it is larger than the sum of its proper divisors (31772471).

349497049 is a wasteful number, since it uses less digits than its factorization.

349497049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31772470.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 349497049 is about 18694.8401704855. The cubic root of 349497049 is about 704.3921451023.

The spelling of 349497049 in words is "three hundred forty-nine million, four hundred ninety-seven thousand, forty-nine".

Divisors: 1 11 31772459 349497049