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2834438386 = 213389280249
BaseRepresentation
bin1010100011110010…
…0001100011110010
321022112111101111111
42220330201203302
521301104012021
61145131503534
7130145220523
oct25074414362
97275441444
102834438386
111224a6a56a
126712b7baa
133622c74a0
141cc62a84a
15118c8d8e1
hexa8f218f2

2834438386 has 16 divisors (see below), whose sum is σ = 4590495000. Its totient is φ = 1304834688.

The previous prime is 2834438381. The next prime is 2834438413. The reversal of 2834438386 is 6838344382.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2268712161 + 565726225 = 47631^2 + 23785^2 .

It is not an unprimeable number, because it can be changed into a prime (2834438381) 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, 130011 + ... + 150238.

Almost surely, 22834438386 is an apocalyptic number.

2834438386 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2834438386 is a deficient number, since it is larger than the sum of its proper divisors (1756056614).

2834438386 is a wasteful number, since it uses less digits than its factorization.

2834438386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280653.

The product of its digits is 2654208, while the sum is 49.

The square root of 2834438386 is about 53239.4438926629. The cubic root of 2834438386 is about 1415.2147303220.

The spelling of 2834438386 in words is "two billion, eight hundred thirty-four million, four hundred thirty-eight thousand, three hundred eighty-six".

Divisors: 1 2 13 26 389 778 5057 10114 280249 560498 3643237 7286474 109016861 218033722 1417219193 2834438386