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28755467 = 1312717417
BaseRepresentation
bin110110110110…
…0011000001011
32000002221002022
41231230120023
524330133332
62504155055
7466263116
oct155543013
960087068
1028755467
1115260454
129768a8b
135c5a690
143b6757d
1527d0212
hex1b6c60b

28755467 has 8 divisors (see below), whose sum is σ = 31213056. Its totient is φ = 26332992.

The previous prime is 28755457. The next prime is 28755469. The reversal of 28755467 is 76455782.

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 28755467 - 26 = 28755403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28755469) by changing a digit.

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, 7058 + ... + 10359.

It is an arithmetic number, because the mean of its divisors is an integer number (3901632).

Almost surely, 228755467 is an apocalyptic number.

28755467 is a deficient number, since it is larger than the sum of its proper divisors (2457589).

28755467 is a wasteful number, since it uses less digits than its factorization.

28755467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17557.

The product of its digits is 470400, while the sum is 44.

The square root of 28755467 is about 5362.4124235273. The cubic root of 28755467 is about 306.3657004453.

The spelling of 28755467 in words is "twenty-eight million, seven hundred fifty-five thousand, four hundred sixty-seven".

Divisors: 1 13 127 1651 17417 226421 2211959 28755467