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28885336 = 234383969
BaseRepresentation
bin110111000110…
…0000101011000
32000100112020021
41232030011120
524343312321
62511040224
7500343544
oct156140530
960315207
1028885336
1115339a87
129810074
135ca481c
143b9ca24
152808941
hex1b8c158

28885336 has 16 divisors (see below), whose sum is σ = 55420200. Its totient is φ = 14106624.

The previous prime is 28885333. The next prime is 28885343. The reversal of 28885336 is 63358882.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 28885292 and 28885301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28885333) 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 3 ways as a sum of consecutive naturals, for example, 41641 + ... + 42328.

Almost surely, 228885336 is an apocalyptic number.

It is an amenable number.

28885336 is a deficient number, since it is larger than the sum of its proper divisors (26534864).

28885336 is a wasteful number, since it uses less digits than its factorization.

28885336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84018 (or 84014 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 28885336 is about 5374.5079774804. The cubic root of 28885336 is about 306.8262234174.

The spelling of 28885336 in words is "twenty-eight million, eight hundred eighty-five thousand, three hundred thirty-six".

Divisors: 1 2 4 8 43 86 172 344 83969 167938 335876 671752 3610667 7221334 14442668 28885336