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28589101 = 53678397
BaseRepresentation
bin110110100001…
…1110000101101
31222210110212121
41231003300231
524304322401
62500432541
7465001102
oct155036055
958713777
1028589101
1115157462
1296a8751
135bcca38
143b22aa9
15279aca1
hex1b43c2d

28589101 has 16 divisors (see below), whose sum is σ = 30227904. Its totient is φ = 27016704.

The previous prime is 28589083. The next prime is 28589111. The reversal of 28589101 is 10198582.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28589101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28589111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294685 + ... + 294781.

It is an arithmetic number, because the mean of its divisors is an integer number (1889244).

Almost surely, 228589101 is an apocalyptic number.

It is an amenable number.

28589101 is a deficient number, since it is larger than the sum of its proper divisors (1638803).

28589101 is an equidigital number, since it uses as much as digits as its factorization.

28589101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 28589101 is about 5346.8776870245. The cubic root of 28589101 is about 305.7737266661.

The spelling of 28589101 in words is "twenty-eight million, five hundred eighty-nine thousand, one hundred one".

Divisors: 1 53 67 83 97 3551 4399 5141 5561 6499 8051 294733 344447 426703 539417 28589101