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28114347 = 325393691
BaseRepresentation
bin110101100111…
…1110110101011
31221220100122010
41223033312223
524144124342
62442331003
7460653012
oct153176653
957810563
1028114347
11149627a8
1294b9a63
135a94911
143a3ba79
15270529c
hex1acfdab

28114347 has 8 divisors (see below), whose sum is σ = 37510720. Its totient is φ = 18730440.

The previous prime is 28114343. The next prime is 28114381. The reversal of 28114347 is 74341182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28114347 - 22 = 28114343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28114343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5772 + ... + 9462.

It is an arithmetic number, because the mean of its divisors is an integer number (4688840).

Almost surely, 228114347 is an apocalyptic number.

28114347 is a deficient number, since it is larger than the sum of its proper divisors (9396373).

28114347 is a wasteful number, since it uses less digits than its factorization.

28114347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233.

The product of its digits is 5376, while the sum is 30.

The square root of 28114347 is about 5302.2963893015. The cubic root of 28114347 is about 304.0716986644.

The spelling of 28114347 in words is "twenty-eight million, one hundred fourteen thousand, three hundred forty-seven".

Divisors: 1 3 2539 3691 7617 11073 9371449 28114347