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2028349068 = 223778921701
BaseRepresentation
bin111100011100110…
…0010011010001100
312020100200210211120
41320321202122030
513123224132233
6533134320540
7101156453064
oct17071423214
95210623746
102028349068
11950a4a749
12487359150
132642c1a65
141535583a4
15bd1124b3
hex78e6268c

2028349068 has 24 divisors (see below), whose sum is σ = 4733640240. Its totient is φ = 675998400.

The previous prime is 2028348997. The next prime is 2028349079. The reversal of 2028349068 is 8609438202.

It is a super-2 number, since 2×20283490682 = 8228399883312937248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82618 + ... + 104318.

It is an arithmetic number, because the mean of its divisors is an integer number (197235010).

Almost surely, 22028349068 is an apocalyptic number.

It is an amenable number.

2028349068 is an abundant number, since it is smaller than the sum of its proper divisors (2705291172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2028349068 is a wasteful number, since it uses less digits than its factorization.

2028349068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29497 (or 29495 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 2028349068 is about 45037.1964935652. The cubic root of 2028349068 is about 1265.8460738912.

The spelling of 2028349068 in words is "two billion, twenty-eight million, three hundred forty-nine thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 7789 15578 21701 23367 31156 43402 46734 65103 86804 93468 130206 260412 169029089 338058178 507087267 676116356 1014174534 2028349068