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28776127 = 195033011
BaseRepresentation
bin110110111000…
…1011010111111
32000010222102111
41231301122333
524331314002
62504434451
7466410262
oct155613277
960128374
1028776127
1115274a26
129778a27
135c66bc3
143b70cd9
1527d63d7
hex1b716bf

28776127 has 8 divisors (see below), whose sum is σ = 30360960. Its totient is φ = 27198360.

The previous prime is 28776119. The next prime is 28776131. The reversal of 28776127 is 72167782.

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 28776127 - 23 = 28776119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28776127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28776157) 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, 8052 + ... + 11062.

It is an arithmetic number, because the mean of its divisors is an integer number (3795120).

Almost surely, 228776127 is an apocalyptic number.

28776127 is a deficient number, since it is larger than the sum of its proper divisors (1584833).

28776127 is a wasteful number, since it uses less digits than its factorization.

28776127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533.

The product of its digits is 65856, while the sum is 40.

The square root of 28776127 is about 5364.3384494269. The cubic root of 28776127 is about 306.4390546138.

The spelling of 28776127 in words is "twenty-eight million, seven hundred seventy-six thousand, one hundred twenty-seven".

Divisors: 1 19 503 3011 9557 57209 1514533 28776127