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28408596 = 22322710429
BaseRepresentation
bin110110001011…
…1101100010100
31222110022021020
41230113230110
524233033341
62452521140
7463316616
oct154275424
958408236
1028408596
1115043887
1296201b0
135b68828
143ab6db6
152762566
hex1b17b14

28408596 has 24 divisors (see below), whose sum is σ = 66585120. Its totient is φ = 9426912.

The previous prime is 28408577. The next prime is 28408609. The reversal of 28408596 is 69580482.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2491 + ... + 7938.

It is an arithmetic number, because the mean of its divisors is an integer number (2774380).

Almost surely, 228408596 is an apocalyptic number.

It is an amenable number.

28408596 is an abundant number, since it is smaller than the sum of its proper divisors (38176524).

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

28408596 is a wasteful number, since it uses less digits than its factorization.

28408596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10663 (or 10661 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 28408596 is about 5329.9714821001. The cubic root of 28408596 is about 305.1288392342.

The spelling of 28408596 in words is "twenty-eight million, four hundred eight thousand, five hundred ninety-six".

Divisors: 1 2 3 4 6 12 227 454 681 908 1362 2724 10429 20858 31287 41716 62574 125148 2367383 4734766 7102149 9469532 14204298 28408596