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3085572389 = 12132543753
BaseRepresentation
bin1011011111101010…
…0001100100100101
321222001001022120212
42313322201210211
522304401304024
61230102305205
7136314634604
oct26772414445
97861038525
103085572389
1113437a8229
12721428205
133a23460a3
14213b1da3b
15130d48a0e
hexb7ea1925

3085572389 has 4 divisors (see below), whose sum is σ = 3088117356. Its totient is φ = 3083027424.

The previous prime is 3085572379. The next prime is 3085572397. The reversal of 3085572389 is 9832755803.

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 1104432289 + 1981140100 = 33233^2 + 44510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3085572389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3085572359) 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 3 ways as a sum of consecutive naturals, for example, 1270664 + ... + 1273089.

It is an arithmetic number, because the mean of its divisors is an integer number (772029339).

Almost surely, 23085572389 is an apocalyptic number.

It is an amenable number.

3085572389 is a deficient number, since it is larger than the sum of its proper divisors (2544967).

3085572389 is a wasteful number, since it uses less digits than its factorization.

3085572389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544966.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The square root of 3085572389 is about 55547.9287552650. The cubic root of 3085572389 is about 1455.8341857033.

The spelling of 3085572389 in words is "three billion, eighty-five million, five hundred seventy-two thousand, three hundred eighty-nine".

Divisors: 1 1213 2543753 3085572389