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28995303 = 383116447
BaseRepresentation
bin110111010011…
…0111011100111
32000120010002010
41232212323213
524410322203
62513245303
7501312261
oct156467347
960503063
1028995303
1115404667
129863833
1360128ac
143bcab31
15282b303
hex1ba6ee7

28995303 has 8 divisors (see below), whose sum is σ = 39126528. Its totient is φ = 19097144.

The previous prime is 28995301. The next prime is 28995361. The reversal of 28995303 is 30359982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28995303 - 21 = 28995301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28995301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57975 + ... + 58472.

It is an arithmetic number, because the mean of its divisors is an integer number (4890816).

Almost surely, 228995303 is an apocalyptic number.

28995303 is a deficient number, since it is larger than the sum of its proper divisors (10131225).

28995303 is a wasteful number, since it uses less digits than its factorization.

28995303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116533.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 28995303 is about 5384.7286839729. The cubic root of 28995303 is about 307.2150946935.

The spelling of 28995303 in words is "twenty-eight million, nine hundred ninety-five thousand, three hundred three".

Divisors: 1 3 83 249 116447 349341 9665101 28995303