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16228441 = 531272411
BaseRepresentation
bin111101111010…
…000001011001
31010112111020101
4331322001121
513123302231
61335455401
7254640145
oct75720131
933474211
1016228441
119184739
125527561
133492838
142226225
151658661
hexf7a059

16228441 has 8 divisors (see below), whose sum is σ = 16671744. Its totient is φ = 15790320.

The previous prime is 16228427. The next prime is 16228453. The reversal of 16228441 is 14482261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16228441 - 211 = 16226393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16228241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5526 + ... + 7936.

It is an arithmetic number, because the mean of its divisors is an integer number (2083968).

Almost surely, 216228441 is an apocalyptic number.

It is an amenable number.

16228441 is a deficient number, since it is larger than the sum of its proper divisors (443303).

16228441 is a wasteful number, since it uses less digits than its factorization.

16228441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591.

The product of its digits is 3072, while the sum is 28.

The square root of 16228441 is about 4028.4539217918. The cubic root of 16228441 is about 253.1777875174.

The spelling of 16228441 in words is "sixteen million, two hundred twenty-eight thousand, four hundred forty-one".

Divisors: 1 53 127 2411 6731 127783 306197 16228441