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16284428 = 2229791777
BaseRepresentation
bin111110000111…
…101100001100
31010122100000222
4332013230030
513132100203
61341010512
7255262316
oct76075414
933570028
1016284428
119212806
125553a38
1334b2174
14223c7b6
15166a038
hexf87b0c

16284428 has 24 divisors (see below), whose sum is σ = 29870400. Its totient is φ = 7757568.

The previous prime is 16284427. The next prime is 16284431. The reversal of 16284428 is 82448261.

It is not an unprimeable number, because it can be changed into a prime (16284427) 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, 8276 + ... + 10052.

It is an arithmetic number, because the mean of its divisors is an integer number (1244600).

Almost surely, 216284428 is an apocalyptic number.

It is an amenable number.

16284428 is a deficient number, since it is larger than the sum of its proper divisors (13585972).

16284428 is a wasteful number, since it uses less digits than its factorization.

16284428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889 (or 1887 counting only the distinct ones).

The product of its digits is 24576, while the sum is 35.

The square root of 16284428 is about 4035.3968825879. The cubic root of 16284428 is about 253.4686019672.

The spelling of 16284428 in words is "sixteen million, two hundred eighty-four thousand, four hundred twenty-eight".

Divisors: 1 2 4 29 58 79 116 158 316 1777 2291 3554 4582 7108 9164 51533 103066 140383 206132 280766 561532 4071107 8142214 16284428