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28796684 = 2278312391
BaseRepresentation
bin110110111011…
…0011100001100
32000012000121212
41231312130030
524332443214
62505113552
7466524230
oct155663414
960160555
1028796684
1115289414
1297888b8
135c73377
143b785c0
1527dc53e
hex1b7670c

28796684 has 24 divisors (see below), whose sum is σ = 58291968. Its totient is φ = 12191760.

The previous prime is 28796683. The next prime is 28796689. The reversal of 28796684 is 48669782.

It is not an unprimeable number, because it can be changed into a prime (28796683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3872 + ... + 8519.

It is an arithmetic number, because the mean of its divisors is an integer number (2428832).

Almost surely, 228796684 is an apocalyptic number.

It is an amenable number.

28796684 is an abundant number, since it is smaller than the sum of its proper divisors (29495284).

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

28796684 is a wasteful number, since it uses less digits than its factorization.

28796684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12485 (or 12483 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 28796684 is about 5366.2541870471. The cubic root of 28796684 is about 306.5120082370.

The spelling of 28796684 in words is "twenty-eight million, seven hundred ninety-six thousand, six hundred eighty-four".

Divisors: 1 2 4 7 14 28 83 166 332 581 1162 2324 12391 24782 49564 86737 173474 346948 1028453 2056906 4113812 7199171 14398342 28796684