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348485897 = 1918341363
BaseRepresentation
bin10100110001010…
…111100100001001
3220021201220210002
4110301113210021
51203203022042
654325132345
711431036604
oct2461274411
9807656702
10348485897
11169790681
129885a0b5
1357275c96
14343d533b
15208da132
hex14c57909

348485897 has 4 divisors (see below), whose sum is σ = 366827280. Its totient is φ = 330144516.

The previous prime is 348485887. The next prime is 348485909. The reversal of 348485897 is 798584843.

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 348485897 - 26 = 348485833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348485887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9170663 + ... + 9170700.

It is an arithmetic number, because the mean of its divisors is an integer number (91706820).

Almost surely, 2348485897 is an apocalyptic number.

It is an amenable number.

348485897 is a deficient number, since it is larger than the sum of its proper divisors (18341383).

348485897 is a wasteful number, since it uses less digits than its factorization.

348485897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18341382.

The product of its digits is 7741440, while the sum is 56.

The square root of 348485897 is about 18667.7769699555. The cubic root of 348485897 is about 703.7121817880.

The spelling of 348485897 in words is "three hundred forty-eight million, four hundred eighty-five thousand, eight hundred ninety-seven".

Divisors: 1 19 18341363 348485897