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28029336 = 2331167889
BaseRepresentation
bin110101011101…
…1000110011000
31221202001000120
41222323012120
524133414321
62440433240
7460150116
oct152730630
957661016
1028029336
1114904945
129478820
135a6500a
143a18ab6
1526d9ec6
hex1abb198

28029336 has 16 divisors (see below), whose sum is σ = 70073400. Its totient is φ = 9343104.

The previous prime is 28029289. The next prime is 28029347. The reversal of 28029336 is 63392082.

It is a junction number, because it is equal to n+sod(n) for n = 28029297 and 28029306.

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 3 ways as a sum of consecutive naturals, for example, 583921 + ... + 583968.

Almost surely, 228029336 is an apocalyptic number.

It is an amenable number.

28029336 is an abundant number, since it is smaller than the sum of its proper divisors (42044064).

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

28029336 is a wasteful number, since it uses less digits than its factorization.

28029336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167898 (or 1167894 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 28029336 is about 5294.2738878906. The cubic root of 28029336 is about 303.7649094275.

The spelling of 28029336 in words is "twenty-eight million, twenty-nine thousand, three hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 1167889 2335778 3503667 4671556 7007334 9343112 14014668 28029336