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28241859 = 340923017
BaseRepresentation
bin110101110111…
…0111111000011
31222010211112210
41223232333003
524212214414
62445153203
7462023532
oct153567703
958124483
1028241859
1114a3a588
12955b803
135b0a979
143a72319
15272ce59
hex1aeefc3

28241859 has 8 divisors (see below), whose sum is σ = 37749520. Its totient is φ = 18781056.

The previous prime is 28241849. The next prime is 28241887. The reversal of 28241859 is 95814282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28241859 - 25 = 28241827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28241839) 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, 10282 + ... + 12735.

It is an arithmetic number, because the mean of its divisors is an integer number (4718690).

Almost surely, 228241859 is an apocalyptic number.

28241859 is a deficient number, since it is larger than the sum of its proper divisors (9507661).

28241859 is a wasteful number, since it uses less digits than its factorization.

28241859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23429.

The product of its digits is 46080, while the sum is 39.

The square root of 28241859 is about 5314.3070103260. The cubic root of 28241859 is about 304.5307089102.

The spelling of 28241859 in words is "twenty-eight million, two hundred forty-one thousand, eight hundred fifty-nine".

Divisors: 1 3 409 1227 23017 69051 9413953 28241859