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28116008 = 2331113371
BaseRepresentation
bin110101101000…
…0010000101000
31221220102220122
41223100100220
524144203013
62442342412
7460660604
oct153202050
957812818
1028116008
1114963a78
1294baa08
135a955bb
143a3c504
152705a08
hex1ad0428

28116008 has 16 divisors (see below), whose sum is σ = 54418560. Its totient is φ = 13604400.

The previous prime is 28115999. The next prime is 28116043. The reversal of 28116008 is 80061182.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

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, 56438 + ... + 56933.

It is an arithmetic number, because the mean of its divisors is an integer number (3401160).

Almost surely, 228116008 is an apocalyptic number.

It is an amenable number.

28116008 is a deficient number, since it is larger than the sum of its proper divisors (26302552).

28116008 is a wasteful number, since it uses less digits than its factorization.

28116008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113408 (or 113404 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 28116008 is about 5302.4530172365. The cubic root of 28116008 is about 304.0776867476.

The spelling of 28116008 in words is "twenty-eight million, one hundred sixteen thousand, eight".

Divisors: 1 2 4 8 31 62 124 248 113371 226742 453484 906968 3514501 7029002 14058004 28116008