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28814127 = 319505511
BaseRepresentation
bin110110111101…
…0101100101111
32000012220112220
41231322230233
524334023002
62505330423
7466626126
oct155725457
960186486
1028814127
11152a0531
129796a13
135c7b2a4
143b80abd
1527e27bc
hex1b7ab2f

28814127 has 8 divisors (see below), whose sum is σ = 40440960. Its totient is φ = 18198360.

The previous prime is 28814077. The next prime is 28814129. The reversal of 28814127 is 72141882.

It is a happy number.

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

It is not a de Polignac number, because 28814127 - 26 = 28814063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28814129) 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, 252699 + ... + 252812.

It is an arithmetic number, because the mean of its divisors is an integer number (5055120).

Almost surely, 228814127 is an apocalyptic number.

28814127 is a deficient number, since it is larger than the sum of its proper divisors (11626833).

28814127 is a wasteful number, since it uses less digits than its factorization.

28814127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505533.

The product of its digits is 7168, while the sum is 33.

The square root of 28814127 is about 5367.8791901458. The cubic root of 28814127 is about 306.5738835304.

The spelling of 28814127 in words is "twenty-eight million, eight hundred fourteen thousand, one hundred twenty-seven".

Divisors: 1 3 19 57 505511 1516533 9604709 28814127