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28796855 = 529198599
BaseRepresentation
bin110110111011…
…0011110110111
32000012000212012
41231312132313
524332444410
62505114435
7466524563
oct155663667
960160765
1028796855
111528955a
129788a1b
135c73479
143b786a3
1527dc605
hex1b767b7

28796855 has 8 divisors (see below), whose sum is σ = 35748000. Its totient is φ = 22242976.

The previous prime is 28796839. The next prime is 28796863. The reversal of 28796855 is 55869782.

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 28796855 - 24 = 28796839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99155 + ... + 99444.

It is an arithmetic number, because the mean of its divisors is an integer number (4468500).

Almost surely, 228796855 is an apocalyptic number.

28796855 is a deficient number, since it is larger than the sum of its proper divisors (6951145).

28796855 is a wasteful number, since it uses less digits than its factorization.

28796855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198633.

The product of its digits is 1209600, while the sum is 50.

The square root of 28796855 is about 5366.2701199250. The cubic root of 28796855 is about 306.5126149440.

The spelling of 28796855 in words is "twenty-eight million, seven hundred ninety-six thousand, eight hundred fifty-five".

Divisors: 1 5 29 145 198599 992995 5759371 28796855