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28682417 = 1716710103
BaseRepresentation
bin110110101101…
…0100010110001
31222222012212202
41231122202301
524320314132
62502432545
7465540131
oct155324261
958865782
1028682417
1115210585
129732755
135c3335a
143b48ac1
1527b8762
hex1b5a8b1

28682417 has 8 divisors (see below), whose sum is σ = 30554496. Its totient is φ = 26830912.

The previous prime is 28682413. The next prime is 28682431. The reversal of 28682417 is 71428682.

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 28682417 - 22 = 28682413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28682413) 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, 2213 + ... + 7890.

It is an arithmetic number, because the mean of its divisors is an integer number (3819312).

Almost surely, 228682417 is an apocalyptic number.

It is an amenable number.

28682417 is a deficient number, since it is larger than the sum of its proper divisors (1872079).

28682417 is a wasteful number, since it uses less digits than its factorization.

28682417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10287.

The product of its digits is 43008, while the sum is 38.

The square root of 28682417 is about 5355.5967921418. The cubic root of 28682417 is about 306.1060513555.

The spelling of 28682417 in words is "twenty-eight million, six hundred eighty-two thousand, four hundred seventeen".

Divisors: 1 17 167 2839 10103 171751 1687201 28682417