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28854835 = 55997813
BaseRepresentation
bin110111000010…
…0101000110011
32000021222101121
41232010220303
524341323320
62510243111
7500155612
oct156045063
960258347
1028854835
1115319079
1297b6497
135c93989
143b91879
1527ee8aa
hex1b84a33

28854835 has 8 divisors (see below), whose sum is σ = 35213040. Its totient is φ = 22692384.

The previous prime is 28854827. The next prime is 28854841. The reversal of 28854835 is 53845882.

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 28854835 - 23 = 28854827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28854791 and 28854800.

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, 48612 + ... + 49201.

It is an arithmetic number, because the mean of its divisors is an integer number (4401630).

Almost surely, 228854835 is an apocalyptic number.

28854835 is a deficient number, since it is larger than the sum of its proper divisors (6358205).

28854835 is an equidigital number, since it uses as much as digits as its factorization.

28854835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97877.

The product of its digits is 307200, while the sum is 43.

The square root of 28854835 is about 5371.6696659419. The cubic root of 28854835 is about 306.7181893321.

The spelling of 28854835 in words is "twenty-eight million, eight hundred fifty-four thousand, eight hundred thirty-five".

Divisors: 1 5 59 295 97813 489065 5770967 28854835