Search a number
-
+
22082816 = 28712323
BaseRepresentation
bin101010000111…
…1010100000000
31112112220221002
41110033110000
521123122231
62105151132
7355462250
oct124172400
945486832
1022082816
1111513168
12748b4a8
134762472
142d0b960
151e130cb
hex150f500

22082816 has 36 divisors (see below), whose sum is σ = 50380512. Its totient is φ = 9463296.

The previous prime is 22082803. The next prime is 22082849. The reversal of 22082816 is 61828022.

It is a zygodrome in base 4.

It is a congruent number.

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, 4370 + ... + 7953.

Almost surely, 222082816 is an apocalyptic number.

It is an amenable number.

22082816 is an abundant number, since it is smaller than the sum of its proper divisors (28297696).

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

22082816 is an equidigital number, since it uses as much as digits as its factorization.

22082816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12346 (or 12332 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 22082816 is about 4699.2356825339. The cubic root of 22082816 is about 280.5550893056. Note that the first 3 decimals are identical.

The spelling of 22082816 in words is "twenty-two million, eighty-two thousand, eight hundred sixteen".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 1792 12323 24646 49292 86261 98584 172522 197168 345044 394336 690088 788672 1380176 1577344 2760352 3154688 5520704 11041408 22082816