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27530830 = 258273329
BaseRepresentation
bin110100100000…
…1011001001110
31220210201012101
41221001121032
524021441310
62422025314
7453002545
oct151013116
956721171
1027530830
11145a4358
12927823a
13591c142
14392915c
15263c43a
hex1a4164e

27530830 has 16 divisors (see below), whose sum is σ = 49630320. Its totient is φ = 10995712.

The previous prime is 27530827. The next prime is 27530857. The reversal of 27530830 is 3803572.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6606 + ... + 9934.

It is an arithmetic number, because the mean of its divisors is an integer number (3101895).

Almost surely, 227530830 is an apocalyptic number.

27530830 is a deficient number, since it is larger than the sum of its proper divisors (22099490).

27530830 is a wasteful number, since it uses less digits than its factorization.

27530830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 27530830 is about 5246.9829426062. The cubic root of 27530830 is about 301.9532916082.

The spelling of 27530830 in words is "twenty-seven million, five hundred thirty thousand, eight hundred thirty".

Divisors: 1 2 5 10 827 1654 3329 4135 6658 8270 16645 33290 2753083 5506166 13765415 27530830