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16384228 = 2272179467
BaseRepresentation
bin111110100000…
…000011100100
31010211101221021
4332200003210
513143243403
61343100524
7256156300
oct76400344
933741837
1016384228
119280793
1255a1744
133518713
142266d00
1516898bd
hexfa00e4

16384228 has 36 divisors (see below), whose sum is σ = 33611760. Its totient is φ = 6967632.

The previous prime is 16384223. The next prime is 16384231. The reversal of 16384228 is 82248361.

It is a junction number, because it is equal to n+sod(n) for n = 16384193 and 16384202.

It is not an unprimeable number, because it can be changed into a prime (16384223) 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, 34851 + ... + 35317.

It is an arithmetic number, because the mean of its divisors is an integer number (933660).

Almost surely, 216384228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16384228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16805880).

16384228 is an abundant number, since it is smaller than the sum of its proper divisors (17227532).

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

16384228 is a wasteful number, since it uses less digits than its factorization.

16384228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 655 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 16384228 is about 4047.7435689530. The cubic root of 16384228 is about 253.9853464587.

The spelling of 16384228 in words is "sixteen million, three hundred eighty-four thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 49 98 179 196 358 467 716 934 1253 1868 2506 3269 5012 6538 8771 13076 17542 22883 35084 45766 83593 91532 167186 334372 585151 1170302 2340604 4096057 8192114 16384228