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28082386084 = 2223236432
BaseRepresentation
bin11010001001110101…
…110011010010100100
32200111002222000121111
4122021311303102210
5430003042323314
620522330554404
72012623225504
oct321165632244
980432860544
1028082386084
1110a00858345
125538898a04
1328570051cc
1415058b7a04
15ae55dbec4
hex689d734a4

28082386084 has 27 divisors (see below), whose sum is σ = 51387885003. Its totient is φ = 13427019672.

The previous prime is 28082386069. The next prime is 28082386109. The reversal of 28082386084 is 48068328082.

The square root of 28082386084 is 167578.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 7706767 + ... + 7710409.

Almost surely, 228082386084 is an apocalyptic number.

28082386084 is the 167578-th square number.

It is an amenable number.

28082386084 is a deficient number, since it is larger than the sum of its proper divisors (23305498919).

28082386084 is an frugal number, since it uses more digits than its factorization.

28082386084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7336 (or 3668 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 49.

Multiplying 28082386084 by its sum of digits (49), we get a square (1376036918116 = 11730462).

The spelling of 28082386084 in words is "twenty-eight billion, eighty-two million, three hundred eighty-six thousand, eighty-four".

Divisors: 1 2 4 23 46 92 529 1058 2116 3643 7286 14572 83789 167578 335156 1927147 3854294 7708588 13271449 26542898 53085796 305243327 610486654 1220973308 7020596521 14041193042 28082386084