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348493919 = 2231562753
BaseRepresentation
bin10100110001011…
…001100001011111
3220021202022210012
4110301121201133
51203203301134
654325233435
711431102154
oct2461314137
9807668705
10348493919
11169796704
129886287b
1357279827
14343d822b
15208dc6ce
hex14c5985f

348493919 has 4 divisors (see below), whose sum is σ = 350056896. Its totient is φ = 346930944.

The previous prime is 348493903. The next prime is 348493939. The reversal of 348493919 is 919394843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 919394843 = 6329145267.

It is a cyclic number.

It is not a de Polignac number, because 348493919 - 24 = 348493903 is a prime.

It is a super-2 number, since 2×3484939192 = 242896023159957122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348493939) 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, 781154 + ... + 781599.

It is an arithmetic number, because the mean of its divisors is an integer number (87514224).

Almost surely, 2348493919 is an apocalyptic number.

348493919 is a deficient number, since it is larger than the sum of its proper divisors (1562977).

348493919 is a wasteful number, since it uses less digits than its factorization.

348493919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562976.

The product of its digits is 839808, while the sum is 50.

The square root of 348493919 is about 18667.9918309389. The cubic root of 348493919 is about 703.7175814669.

The spelling of 348493919 in words is "three hundred forty-eight million, four hundred ninety-three thousand, nine hundred nineteen".

Divisors: 1 223 1562753 348493919