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834305047 = 10319741117
BaseRepresentation
bin110001101110100…
…111110000010111
32011010220002100221
4301232213300113
53202040230142
6214442015211
726450322142
oct6156476027
92133802327
10834305047
11398a41804
121b34a7507
13103b04534
147cb39059
154d3a1767
hex31ba7c17

834305047 has 8 divisors (see below), whose sum is σ = 846701856. Its totient is φ = 821991072.

The previous prime is 834304987. The next prime is 834305053. The reversal of 834305047 is 740503438.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 834305047 - 223 = 825916439 is a prime.

It is a super-2 number, since 2×8343050472 = 1392129822899344418, 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 (834305347) 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, 268 + ... + 40849.

It is an arithmetic number, because the mean of its divisors is an integer number (105837732).

Almost surely, 2834305047 is an apocalyptic number.

834305047 is a deficient number, since it is larger than the sum of its proper divisors (12396809).

834305047 is a wasteful number, since it uses less digits than its factorization.

834305047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41417.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 834305047 is about 28884.3391304008. The cubic root of 834305047 is about 941.4016538328.

The spelling of 834305047 in words is "eight hundred thirty-four million, three hundred five thousand, forty-seven".

Divisors: 1 103 197 20291 41117 4235051 8100049 834305047