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28529050 = 2521151871
BaseRepresentation
bin110110011010…
…1000110011010
31222200102111111
41230311012122
524300412200
62455250534
7464331034
oct154650632
958612444
1028529050
1115116330
129679a4a
135bab5c4
143b08c54
1527880ba
hex1b3519a

28529050 has 24 divisors (see below), whose sum is σ = 57889152. Its totient is φ = 10374000.

The previous prime is 28529041. The next prime is 28529101. The reversal of 28529050 is 5092582.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 25386 + ... + 26485.

It is an arithmetic number, because the mean of its divisors is an integer number (2412048).

Almost surely, 228529050 is an apocalyptic number.

28529050 is an abundant number, since it is smaller than the sum of its proper divisors (29360102).

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

28529050 is a wasteful number, since it uses less digits than its factorization.

28529050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51894 (or 51889 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 28529050 is about 5341.2592148294. The cubic root of 28529050 is about 305.5594854713.

The spelling of 28529050 in words is "twenty-eight million, five hundred twenty-nine thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 51871 103742 259355 518710 570581 1141162 1296775 2593550 2852905 5705810 14264525 28529050