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28541466 = 2321585637
BaseRepresentation
bin110110011100…
…0001000011010
31222201001112100
41230320020122
524301311331
62455424230
7464412162
oct154701032
958631470
1028541466
1115124698
129685076
135bb4155
143b0d5a2
15278bae6
hex1b3821a

28541466 has 12 divisors (see below), whose sum is σ = 61839882. Its totient is φ = 9513816.

The previous prime is 28541437. The next prime is 28541497. The reversal of 28541466 is 66414582.

It can be written as a sum of positive squares in only one way, i.e., 27342441 + 1199025 = 5229^2 + 1095^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28541466.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 792801 + ... + 792836.

Almost surely, 228541466 is an apocalyptic number.

28541466 is an abundant number, since it is smaller than the sum of its proper divisors (33298416).

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

28541466 is a wasteful number, since it uses less digits than its factorization.

28541466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585645 (or 1585642 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 28541466 is about 5342.4213611433. The cubic root of 28541466 is about 305.6038061005.

The spelling of 28541466 in words is "twenty-eight million, five hundred forty-one thousand, four hundred sixty-six".

Divisors: 1 2 3 6 9 18 1585637 3171274 4756911 9513822 14270733 28541466