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814029839 = 7711637887
BaseRepresentation
bin110000100001010…
…001110000001111
32002201202000000022
4300201101300033
53131342423324
6212435252355
726113065560
oct6041216017
92081660008
10814029839
11388553737
121a874a0bb
13cc855a7c
147a17c167
154b6e905e
hex30851c0f

814029839 has 8 divisors (see below), whose sum is σ = 943423488. Its totient is φ = 687912120.

The previous prime is 814029817. The next prime is 814029847. The reversal of 814029839 is 938920418.

It is a happy number.

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

It is not a de Polignac number, because 814029839 - 28 = 814029583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 814029839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814029439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818447 + ... + 819440.

It is an arithmetic number, because the mean of its divisors is an integer number (117927936).

Almost surely, 2814029839 is an apocalyptic number.

814029839 is a deficient number, since it is larger than the sum of its proper divisors (129393649).

814029839 is a wasteful number, since it uses less digits than its factorization.

814029839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637965.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 814029839 is about 28531.2081587864. The cubic root of 814029839 is about 933.7130775166.

The spelling of 814029839 in words is "eight hundred fourteen million, twenty-nine thousand, eight hundred thirty-nine".

Divisors: 1 7 71 497 1637887 11465209 116289977 814029839