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348038605 = 569607721
BaseRepresentation
bin10100101111101…
…010010111001101
3220020220012012201
4110233222113031
51203044213410
654311401501
711424164545
oct2457522715
9806805181
10348038605
11169505612
1298683291
135714a505
143431a325
152084c83a
hex14bea5cd

348038605 has 4 divisors (see below), whose sum is σ = 417646332. Its totient is φ = 278430880.

The previous prime is 348038597. The next prime is 348038641. The reversal of 348038605 is 506830843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 506830843 = 1729813579.

It can be written as a sum of positive squares in 2 ways, for example, as 239816196 + 108222409 = 15486^2 + 10403^2 .

It is not a de Polignac number, because 348038605 - 23 = 348038597 is a prime.

It is a super-2 number, since 2×3480386052 = 242261741140692050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34803856 + ... + 34803865.

It is an arithmetic number, because the mean of its divisors is an integer number (104411583).

Almost surely, 2348038605 is an apocalyptic number.

It is an amenable number.

348038605 is a deficient number, since it is larger than the sum of its proper divisors (69607727).

348038605 is an equidigital number, since it uses as much as digits as its factorization.

348038605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69607726.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 348038605 is about 18655.7928000930. The cubic root of 348038605 is about 703.4109743857.

The spelling of 348038605 in words is "three hundred forty-eight million, thirty-eight thousand, six hundred five".

Divisors: 1 5 69607721 348038605