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2828827809 = 321512717681
BaseRepresentation
bin1010100010011100…
…0111110010100001
321022010221100020100
42220213013302201
521243134442214
61144411333013
7130046432253
oct25047076241
97263840210
102828827809
111221888225
1266b451169
133610b1812
141cb9a9cd3
15118531309
hexa89c7ca1

2828827809 has 24 divisors (see below), whose sum is σ = 4128859904. Its totient is φ = 1866240000.

The previous prime is 2828827789. The next prime is 2828827811. The reversal of 2828827809 is 9087288282.

It is not a de Polignac number, because 2828827809 - 28 = 2828827553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2828827819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364449 + ... + 372129.

Almost surely, 22828827809 is an apocalyptic number.

It is an amenable number.

2828827809 is a deficient number, since it is larger than the sum of its proper divisors (1300032095).

2828827809 is a wasteful number, since it uses less digits than its factorization.

2828827809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8109 (or 8106 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The square root of 2828827809 is about 53186.7258721572. The cubic root of 2828827809 is about 1414.2803399289.

The spelling of 2828827809 in words is "two billion, eight hundred twenty-eight million, eight hundred twenty-seven thousand, eight hundred nine".

Divisors: 1 3 9 151 271 453 813 1359 2439 7681 23043 40921 69129 122763 368289 1159831 2081551 3479493 6244653 10438479 18733959 314314201 942942603 2828827809