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28086714 = 2325359499
BaseRepresentation
bin110101100100…
…1000110111010
31221211221201200
41223021012322
524142233324
62441555030
7460506315
oct153110672
957757650
1028086714
1114943a67
1294a5a76
135a85176
143a3197c
1526ebec9
hex1ac91ba

28086714 has 48 divisors (see below), whose sum is σ = 63180000. Its totient is φ = 9011808.

The previous prime is 28086701. The next prime is 28086727. The reversal of 28086714 is 41768082.

It is an interprime number because it is at equal distance from previous prime (28086701) and next prime (28086727).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 56037 + ... + 56535.

It is an arithmetic number, because the mean of its divisors is an integer number (1316250).

Almost surely, 228086714 is an apocalyptic number.

28086714 is an abundant number, since it is smaller than the sum of its proper divisors (35093286).

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

28086714 is a wasteful number, since it uses less digits than its factorization.

28086714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 28086714 is about 5299.6899909334. The cubic root of 28086714 is about 303.9720441167.

The spelling of 28086714 in words is "twenty-eight million, eighty-six thousand, seven hundred fourteen".

Divisors: 1 2 3 6 9 18 53 59 106 118 159 177 318 354 477 499 531 954 998 1062 1497 2994 3127 4491 6254 8982 9381 18762 26447 28143 29441 52894 56286 58882 79341 88323 158682 176646 238023 264969 476046 529938 1560373 3120746 4681119 9362238 14043357 28086714