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348023642 = 2892936673
BaseRepresentation
bin10100101111100…
…110101101011010
3220020212102200112
4110233212231122
51203043224032
654311204322
711424103121
oct2457465532
9806772615
10348023642
111694a534a
12986766a2
1357143765
1434314ab8
15208481b2
hex14be6b5a

348023642 has 16 divisors (see below), whose sum is σ = 529782120. Its totient is φ = 171443712.

The previous prime is 348023629. The next prime is 348023651. The reversal of 348023642 is 246320843.

It can be written as a sum of positive squares in 4 ways, for example, as 243391201 + 104632441 = 15601^2 + 10229^2 .

It is a super-2 number, since 2×3480236422 = 242240910781888328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 348023599 and 348023608.

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 7 ways as a sum of consecutive naturals, for example, 48818 + ... + 55490.

Almost surely, 2348023642 is an apocalyptic number.

348023642 is a deficient number, since it is larger than the sum of its proper divisors (181758478).

348023642 is a wasteful number, since it uses less digits than its factorization.

348023642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7057.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 348023642 is about 18655.3917675293. The cubic root of 348023642 is about 703.4008938093.

The spelling of 348023642 in words is "three hundred forty-eight million, twenty-three thousand, six hundred forty-two".

Divisors: 1 2 89 178 293 586 6673 13346 26077 52154 593897 1187794 1955189 3910378 174011821 348023642