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16228256 = 251146103
BaseRepresentation
bin111101111001…
…111110100000
31010112110222112
4331321332200
513123301011
61335454452
7254636462
oct75717640
933473875
1016228256
119184590
125527428
133492725
142226132
15165858b
hexf79fa0

16228256 has 24 divisors (see below), whose sum is σ = 34854624. Its totient is φ = 7376320.

The previous prime is 16228253. The next prime is 16228297. The reversal of 16228256 is 65282261.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (16228253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22700 + ... + 23403.

It is an arithmetic number, because the mean of its divisors is an integer number (1452276).

Almost surely, 216228256 is an apocalyptic number.

16228256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16228256 is an abundant number, since it is smaller than the sum of its proper divisors (18626368).

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

16228256 is a wasteful number, since it uses less digits than its factorization.

16228256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46124 (or 46116 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 16228256 is about 4028.4309600637. The cubic root of 16228256 is about 253.1768254601.

The spelling of 16228256 in words is "sixteen million, two hundred twenty-eight thousand, two hundred fifty-six".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 46103 92206 184412 368824 507133 737648 1014266 1475296 2028532 4057064 8114128 16228256