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28911314 = 241794463
BaseRepresentation
bin110111001001…
…0011011010010
32000101211212102
41232102123102
524400130224
62511400402
7500512355
oct156223322
960354772
1028911314
1115357553
129823102
135cb35b3
143ba829c
1528114ae
hex1b926d2

28911314 has 16 divisors (see below), whose sum is σ = 44997120. Its totient is φ = 13921440.

The previous prime is 28911301. The next prime is 28911329. The reversal of 28911314 is 41311982.

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 7 ways as a sum of consecutive naturals, for example, 4247 + ... + 8709.

It is an arithmetic number, because the mean of its divisors is an integer number (2812320).

Almost surely, 228911314 is an apocalyptic number.

28911314 is a deficient number, since it is larger than the sum of its proper divisors (16085806).

28911314 is a wasteful number, since it uses less digits than its factorization.

28911314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4585.

The product of its digits is 1728, while the sum is 29.

The square root of 28911314 is about 5376.9242137118. The cubic root of 28911314 is about 306.9181771494.

The spelling of 28911314 in words is "twenty-eight million, nine hundred eleven thousand, three hundred fourteen".

Divisors: 1 2 41 79 82 158 3239 4463 6478 8926 182983 352577 365966 705154 14455657 28911314