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28828414 = 271203017
BaseRepresentation
bin110110111111…
…0001011111110
32000020122011001
41231332023332
524340002124
62505520514
7500015566
oct155761376
960218131
1028828414
111530023a
1297a313a
135c84944
143b85da6
1527e6b44
hex1b7e2fe

28828414 has 8 divisors (see below), whose sum is σ = 43851888. Its totient is φ = 14211120.

The previous prime is 28828411. The next prime is 28828421. The reversal of 28828414 is 41482882.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28828411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101367 + ... + 101650.

It is an arithmetic number, because the mean of its divisors is an integer number (5481486).

Almost surely, 228828414 is an apocalyptic number.

28828414 is a deficient number, since it is larger than the sum of its proper divisors (15023474).

28828414 is a wasteful number, since it uses less digits than its factorization.

28828414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203090.

The product of its digits is 32768, while the sum is 37.

The square root of 28828414 is about 5369.2098115086. The cubic root of 28828414 is about 306.6245449919.

The spelling of 28828414 in words is "twenty-eight million, eight hundred twenty-eight thousand, four hundred fourteen".

Divisors: 1 2 71 142 203017 406034 14414207 28828414