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28076329 = 1091791439
BaseRepresentation
bin110101100011…
…0100100101001
31221211102111001
41223012210221
524141420304
62441435001
7460434121
oct153064451
957742431
1028076329
1114937186
12949ba61
135a80518
143a2bc81
1526e8da4
hex1ac6929

28076329 has 8 divisors (see below), whose sum is σ = 28512000. Its totient is φ = 27644112.

The previous prime is 28076317. The next prime is 28076341. The reversal of 28076329 is 92367082.

It is an interprime number because it is at equal distance from previous prime (28076317) and next prime (28076341).

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 28076329 - 27 = 28076201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28076309) 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, 18792 + ... + 20230.

It is an arithmetic number, because the mean of its divisors is an integer number (3564000).

Almost surely, 228076329 is an apocalyptic number.

It is an amenable number.

28076329 is a deficient number, since it is larger than the sum of its proper divisors (435671).

28076329 is a wasteful number, since it uses less digits than its factorization.

28076329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 28076329 is about 5298.7101260590. The cubic root of 28076329 is about 303.9345751693.

The spelling of 28076329 in words is "twenty-eight million, seventy-six thousand, three hundred twenty-nine".

Divisors: 1 109 179 1439 19511 156851 257581 28076329