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28030150 = 2524391277
BaseRepresentation
bin110101011101…
…1010011000110
31221202002010201
41222323103012
524133431100
62440441114
7460152361
oct152732306
957662121
1028030150
1114905515
12947919a
135a654b5
143a190d8
1526da36a
hex1abb4c6

28030150 has 24 divisors (see below), whose sum is σ = 52295760. Its totient is φ = 11177760.

The previous prime is 28030099. The next prime is 28030193. The reversal of 28030150 is 5103082.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21312 + ... + 22588.

It is an arithmetic number, because the mean of its divisors is an integer number (2178990).

Almost surely, 228030150 is an apocalyptic number.

28030150 is a deficient number, since it is larger than the sum of its proper divisors (24265610).

28030150 is a wasteful number, since it uses less digits than its factorization.

28030150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728 (or 1723 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 28030150 is about 5294.3507628415. The cubic root of 28030150 is about 303.7678499448.

The spelling of 28030150 in words is "twenty-eight million, thirty thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 439 878 1277 2195 2554 4390 6385 10975 12770 21950 31925 63850 560603 1121206 2803015 5606030 14015075 28030150