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393071341 = 1330236257
BaseRepresentation
bin10111011011011…
…100101011101101
31000101122002111211
4113123130223231
51301111240331
6103000514421
712512023405
oct2733345355
91011562454
10393071341
11191973353
12ab77ba11
13635869c0
143a2bd805
15247958b1
hex176dcaed

393071341 has 4 divisors (see below), whose sum is σ = 423307612. Its totient is φ = 362835072.

The previous prime is 393071339. The next prime is 393071353. The reversal of 393071341 is 143170393.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 135629316 + 257442025 = 11646^2 + 16045^2 .

It is a cyclic number.

It is not a de Polignac number, because 393071341 - 21 = 393071339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393071321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15118116 + ... + 15118141.

It is an arithmetic number, because the mean of its divisors is an integer number (105826903).

Almost surely, 2393071341 is an apocalyptic number.

It is an amenable number.

393071341 is a deficient number, since it is larger than the sum of its proper divisors (30236271).

393071341 is a wasteful number, since it uses less digits than its factorization.

393071341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30236270.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 393071341 is about 19826.0268586522. The cubic root of 393071341 is about 732.5272641446.

The spelling of 393071341 in words is "three hundred ninety-three million, seventy-one thousand, three hundred forty-one".

Divisors: 1 13 30236257 393071341