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28412682 = 2323227907
BaseRepresentation
bin110110001100…
…0101100001010
31222110111212120
41230120230022
524233201212
62452552110
7463334544
oct154305412
958414776
1028412682
1115046961
129622636
135b6a64c
143ab8694
15276388c
hex1b18b0a

28412682 has 32 divisors (see below), whose sum is σ = 59622912. Its totient is φ = 9009264.

The previous prime is 28412677. The next prime is 28412687. The reversal of 28412682 is 28621482.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28412677) and next prime (28412687).

It is not an unprimeable number, because it can be changed into a prime (28412687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30873 + ... + 31779.

It is an arithmetic number, because the mean of its divisors is an integer number (1863216).

Almost surely, 228412682 is an apocalyptic number.

28412682 is an abundant number, since it is smaller than the sum of its proper divisors (31210230).

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

28412682 is a wasteful number, since it uses less digits than its factorization.

28412682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162.

The product of its digits is 12288, while the sum is 33.

The square root of 28412682 is about 5330.3547724331. The cubic root of 28412682 is about 305.1434673966.

The spelling of 28412682 in words is "twenty-eight million, four hundred twelve thousand, six hundred eighty-two".

Divisors: 1 2 3 6 23 46 69 138 227 454 681 907 1362 1814 2721 5221 5442 10442 15663 20861 31326 41722 62583 125166 205889 411778 617667 1235334 4735447 9470894 14206341 28412682