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348043669 = 1767730241
BaseRepresentation
bin10100101111101…
…011100110010101
3220020220110011021
4110233223212111
51203044344134
654311441141
711424215401
oct2457534625
9806813137
10348043669
111695093a6
12986861b1
135714c8cc
143431c101
152084e0b4
hex14beb995

348043669 has 8 divisors (see below), whose sum is σ = 369073368. Its totient is φ = 327075840.

The previous prime is 348043639. The next prime is 348043693. The reversal of 348043669 is 966340843.

It can be written as a sum of positive squares in 4 ways, for example, as 145323025 + 202720644 = 12055^2 + 14238^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-348043669 is a prime.

It is a super-2 number, since 2×3480436692 = 242268791061963122, 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 (348043609) 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 7 ways as a sum of consecutive naturals, for example, 3612 + ... + 26629.

It is an arithmetic number, because the mean of its divisors is an integer number (46134171).

Almost surely, 2348043669 is an apocalyptic number.

It is an amenable number.

348043669 is a deficient number, since it is larger than the sum of its proper divisors (21029699).

348043669 is a wasteful number, since it uses less digits than its factorization.

348043669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30935.

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 348043669 is about 18655.9285215183. The cubic root of 348043669 is about 703.4143859382.

The spelling of 348043669 in words is "three hundred forty-eight million, forty-three thousand, six hundred sixty-nine".

Divisors: 1 17 677 11509 30241 514097 20473157 348043669