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28590002 = 27532727
BaseRepresentation
bin110110100001…
…1111110110010
31222210112002222
41231003332302
524304340002
62500441042
7465003530
oct155037662
958715088
1028590002
1115158101
1296a9182
135c0027c
143b23150
15279b1a2
hex1b43fb2

28590002 has 24 divisors (see below), whose sum is σ = 50022336. Its totient is φ = 12005136.

The previous prime is 28589993. The next prime is 28590007. The reversal of 28590002 is 20009582.

It is not an unprimeable number, because it can be changed into a prime (28590007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38963 + ... + 39689.

It is an arithmetic number, because the mean of its divisors is an integer number (2084264).

Almost surely, 228590002 is an apocalyptic number.

28590002 is a deficient number, since it is larger than the sum of its proper divisors (21432334).

28590002 is an equidigital number, since it uses as much as digits as its factorization.

28590002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 28590002 is about 5346.9619411400. The cubic root of 28590002 is about 305.7769388370.

Adding to 28590002 its reverse (20009582), we get a palindrome (48599584).

The spelling of 28590002 in words is "twenty-eight million, five hundred ninety thousand, two".

Divisors: 1 2 7 14 53 106 371 727 742 1454 2809 5089 5618 10178 19663 38531 39326 77062 269717 539434 2042143 4084286 14295001 28590002