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28350064 = 241771879
BaseRepresentation
bin110110000100…
…1011001110000
31222100022222101
41230021121300
524224200224
62451350144
7462654151
oct154113160
958308871
1028350064
1115003906
1295b2354
135b47cb2
143a9d928
152750044
hex1b09670

28350064 has 10 divisors (see below), whose sum is σ = 54928280. Its totient is φ = 14175024.

The previous prime is 28350059. The next prime is 28350079. The reversal of 28350064 is 46005382.

It is a super-2 number, since 2×283500642 = 1607452257608192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 885924 + ... + 885955.

It is an arithmetic number, because the mean of its divisors is an integer number (5492828).

Almost surely, 228350064 is an apocalyptic number.

It is an amenable number.

28350064 is a deficient number, since it is larger than the sum of its proper divisors (26578216).

28350064 is a wasteful number, since it uses less digits than its factorization.

28350064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771887 (or 1771881 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 28350064 is about 5324.4778147721. The cubic root of 28350064 is about 304.9191364953.

The spelling of 28350064 in words is "twenty-eight million, three hundred fifty thousand, sixty-four".

Divisors: 1 2 4 8 16 1771879 3543758 7087516 14175032 28350064