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2838788394 = 231336394723
BaseRepresentation
bin1010100100110100…
…0111100100101010
321022211200101120220
42221031013210222
521303212212034
61145405030510
7130230206001
oct25115074452
97284611526
102838788394
111227470812
12672855436
1336318b460
141cd03dc38
1511934c749
hexa934792a

2838788394 has 16 divisors (see below), whose sum is σ = 6114313632. Its totient is φ = 873473328.

The previous prime is 2838788383. The next prime is 2838788399. The reversal of 2838788394 is 4938878382.

It is not an unprimeable number, because it can be changed into a prime (2838788399) 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, 18197284 + ... + 18197439.

It is an arithmetic number, because the mean of its divisors is an integer number (382144602).

Almost surely, 22838788394 is an apocalyptic number.

2838788394 is an abundant number, since it is smaller than the sum of its proper divisors (3275525238).

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

2838788394 is a wasteful number, since it uses less digits than its factorization.

2838788394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36394741.

The product of its digits is 18579456, while the sum is 60.

The square root of 2838788394 is about 53280.2814744817. The cubic root of 2838788394 is about 1415.9383361940.

The spelling of 2838788394 in words is "two billion, eight hundred thirty-eight million, seven hundred eighty-eight thousand, three hundred ninety-four".

Divisors: 1 2 3 6 13 26 39 78 36394723 72789446 109184169 218368338 473131399 946262798 1419394197 2838788394