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28882329 = 375923311
BaseRepresentation
bin110111000101…
…1010110011001
32000100101002220
41232023112121
524343213304
62511014253
7500332020
oct156132631
960311086
1028882329
11153377a3
12980a389
135ca3348
143b9b8b7
152807ad9
hex1b8b599

28882329 has 16 divisors (see below), whose sum is σ = 44759040. Its totient is φ = 16223760.

The previous prime is 28882307. The next prime is 28882331. The reversal of 28882329 is 92328882.

It is not a de Polignac number, because 28882329 - 216 = 28816793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28882339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10417 + ... + 12894.

It is an arithmetic number, because the mean of its divisors is an integer number (2797440).

Almost surely, 228882329 is an apocalyptic number.

It is an amenable number.

28882329 is a deficient number, since it is larger than the sum of its proper divisors (15876711).

28882329 is a wasteful number, since it uses less digits than its factorization.

28882329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23380.

The product of its digits is 110592, while the sum is 42.

The square root of 28882329 is about 5374.2282236615. The cubic root of 28882329 is about 306.8155760487.

The spelling of 28882329 in words is "twenty-eight million, eight hundred eighty-two thousand, three hundred twenty-nine".

Divisors: 1 3 7 21 59 177 413 1239 23311 69933 163177 489531 1375349 4126047 9627443 28882329