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827705049 = 3701393583
BaseRepresentation
bin110001010101011…
…100011011011001
32010200110202212120
4301111130123121
53143343030144
6214044331453
726340243153
oct6125343331
92120422776
10827705049
11395244066
121b1243b89
13102633402
147bcdbad3
154c9eae19
hex3155c6d9

827705049 has 8 divisors (see below), whose sum is σ = 1105183872. Its totient is φ = 551014800.

The previous prime is 827705033. The next prime is 827705051. The reversal of 827705049 is 940507728.

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

It is not a de Polignac number, because 827705049 - 24 = 827705033 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 827705049.

It is not an unprimeable number, because it can be changed into a prime (827805049) 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, 194689 + ... + 198894.

It is an arithmetic number, because the mean of its divisors is an integer number (138147984).

Almost surely, 2827705049 is an apocalyptic number.

It is an amenable number.

827705049 is a deficient number, since it is larger than the sum of its proper divisors (277478823).

827705049 is a wasteful number, since it uses less digits than its factorization.

827705049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394287.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 827705049 is about 28769.8635554637. The cubic root of 827705049 is about 938.9126740086.

The spelling of 827705049 in words is "eight hundred twenty-seven million, seven hundred five thousand, forty-nine".

Divisors: 1 3 701 2103 393583 1180749 275901683 827705049