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28853337 = 39617779
BaseRepresentation
bin110111000010…
…0010001011001
32000021220100010
41232010101121
524341301322
62510232133
7500151342
oct156042131
960256303
1028853337
1115317a37
1297b5649
135c930a6
143b910c9
1527ee20c
hex1b84459

28853337 has 4 divisors (see below), whose sum is σ = 38471120. Its totient is φ = 19235556.

The previous prime is 28853327. The next prime is 28853353. The reversal of 28853337 is 73335882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 28853337 - 211 = 28851289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28853295 and 28853304.

It is not an unprimeable number, because it can be changed into a prime (28853317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4808887 + ... + 4808892.

It is an arithmetic number, because the mean of its divisors is an integer number (9617780).

Almost surely, 228853337 is an apocalyptic number.

It is an amenable number.

28853337 is a deficient number, since it is larger than the sum of its proper divisors (9617783).

28853337 is an equidigital number, since it uses as much as digits as its factorization.

28853337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9617782.

The product of its digits is 120960, while the sum is 39.

The square root of 28853337 is about 5371.5302289013. The cubic root of 28853337 is about 306.7128814776.

The spelling of 28853337 in words is "twenty-eight million, eight hundred fifty-three thousand, three hundred thirty-seven".

Divisors: 1 3 9617779 28853337