Search a number
-
+
28556354600 = 23521391027207
BaseRepresentation
bin11010100110000101…
…110110010000101000
32201201010211010011222
4122212011312100220
5431440411321400
621041341441212
72030440003064
oct324605662050
981633733158
1028556354600
1111124354964
12564b570208
132901274757
14154c814aa4
15b22012185
hex6a6176428

28556354600 has 48 divisors (see below), whose sum is σ = 66871240800. Its totient is φ = 11340354240.

The previous prime is 28556354591. The next prime is 28556354609. The reversal of 28556354600 is 645365582.

It is an interprime number because it is at equal distance from previous prime (28556354591) and next prime (28556354609).

It is not an unprimeable number, because it can be changed into a prime (28556354609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 485804 + ... + 541403.

It is an arithmetic number, because the mean of its divisors is an integer number (1393150850).

Almost surely, 228556354600 is an apocalyptic number.

28556354600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28556354600 is an abundant number, since it is smaller than the sum of its proper divisors (38314886200).

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

28556354600 is a wasteful number, since it uses less digits than its factorization.

28556354600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027362 (or 1027353 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 28556354600 in words is "twenty-eight billion, five hundred fifty-six million, three hundred fifty-four thousand, six hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 139 200 278 556 695 1112 1390 2780 3475 5560 6950 13900 27800 1027207 2054414 4108828 5136035 8217656 10272070 20544140 25680175 41088280 51360350 102720700 142781773 205441400 285563546 571127092 713908865 1142254184 1427817730 2855635460 3569544325 5711270920 7139088650 14278177300 28556354600