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28325586 = 234720931
BaseRepresentation
bin110110000001…
…1011011010010
31222022002101210
41230003123102
524222404321
62451040550
7462522612
oct154033322
958262353
1028325586
1114a97483
1295a0156
135b39b03
143a94a42
152747b76
hex1b036d2

28325586 has 8 divisors (see below), whose sum is σ = 56651184. Its totient is φ = 9441860.

The previous prime is 28325579. The next prime is 28325593. The reversal of 28325586 is 68552382.

It is an interprime number because it is at equal distance from previous prime (28325579) and next prime (28325593).

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

28325586 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2360460 + ... + 2360471.

It is an arithmetic number, because the mean of its divisors is an integer number (7081398).

Almost surely, 228325586 is an apocalyptic number.

28325586 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28325586 is a wasteful number, since it uses less digits than its factorization.

28325586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720936.

The product of its digits is 115200, while the sum is 39.

The square root of 28325586 is about 5322.1786892212. The cubic root of 28325586 is about 304.8313535096.

The spelling of 28325586 in words is "twenty-eight million, three hundred twenty-five thousand, five hundred eighty-six".

Divisors: 1 2 3 6 4720931 9441862 14162793 28325586