Search a number
-
+
1804808256 = 2639400043
BaseRepresentation
bin110101110010011…
…0011000001000000
311122210001202111020
41223210303001000
512144012331011
6455031145440
762503421436
oct15344630100
94583052436
101804808256
11846849179
12424515280
13229bb47a4
141319a8d56
15a86a8006
hex6b933040

1804808256 has 28 divisors (see below), whose sum is σ = 4775222352. Its totient is φ = 601602688.

The previous prime is 1804808227. The next prime is 1804808267. The reversal of 1804808256 is 6528084081.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4699830 + ... + 4700213.

Almost surely, 21804808256 is an apocalyptic number.

1804808256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1804808256 is an abundant number, since it is smaller than the sum of its proper divisors (2970414096).

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

1804808256 is an equidigital number, since it uses as much as digits as its factorization.

1804808256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9400058 (or 9400048 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 1804808256 is about 42483.0349198359. The cubic root of 1804808256 is about 1217.5225762531.

The spelling of 1804808256 in words is "one billion, eight hundred four million, eight hundred eight thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 9400043 18800086 28200129 37600172 56400258 75200344 112800516 150400688 225601032 300801376 451202064 601602752 902404128 1804808256