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348005087 = 1346325849
BaseRepresentation
bin10100101111100…
…010001011011111
3220020211111020022
4110233202023133
51203042130322
654310542355
711423665043
oct2457421337
9806744208
10348005087
11169492411
12986679bb
1357138191
143430c023
1520842942
hex14be22df

348005087 has 4 divisors (see below), whose sum is σ = 348044400. Its totient is φ = 347965776.

The previous prime is 348005051. The next prime is 348005093. The reversal of 348005087 is 780500843.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 348005087 - 28 = 348004831 is a prime.

It is a super-2 number, since 2×3480050872 = 242215081155755138, 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 (348005027) by changing a digit.

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, 539 + ... + 26387.

It is an arithmetic number, because the mean of its divisors is an integer number (87011100).

Almost surely, 2348005087 is an apocalyptic number.

348005087 is a deficient number, since it is larger than the sum of its proper divisors (39313).

348005087 is a wasteful number, since it uses less digits than its factorization.

348005087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39312.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 348005087 is about 18654.8944515910. The cubic root of 348005087 is about 703.3883929004.

The spelling of 348005087 in words is "three hundred forty-eight million, five thousand, eighty-seven".

Divisors: 1 13463 25849 348005087