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28830182 = 219273547
BaseRepresentation
bin110110111111…
…0100111100110
32000020201120112
41231332213212
524340031212
62505533022
7500024003
oct155764746
960221515
1028830182
11153015a7
1297a4172
135c856a4
143b868aa
1527e7422
hex1b7e9e6

28830182 has 24 divisors (see below), whose sum is σ = 46350936. Its totient is φ = 13444704.

The previous prime is 28830169. The next prime is 28830209. The reversal of 28830182 is 28103882.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 52433 + ... + 52979.

It is an arithmetic number, because the mean of its divisors is an integer number (1931289).

Almost surely, 228830182 is an apocalyptic number.

28830182 is a deficient number, since it is larger than the sum of its proper divisors (17520754).

28830182 is a wasteful number, since it uses less digits than its factorization.

28830182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 28830182 is about 5369.3744514608. The cubic root of 28830182 is about 306.6308131262.

The spelling of 28830182 in words is "twenty-eight million, eight hundred thirty thousand, one hundred eighty-two".

Divisors: 1 2 19 38 73 146 361 547 722 1094 1387 2774 10393 20786 26353 39931 52706 79862 197467 394934 758689 1517378 14415091 28830182