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27423844 = 227979423
BaseRepresentation
bin110100010011…
…1010001100100
31220121021102221
41220213101210
524010030334
62415442124
7452045620
oct150472144
956537387
1027423844
1114530a38
129226344
1358b2536
1438dc180
15261a8b4
hex1a27464

27423844 has 12 divisors (see below), whose sum is σ = 54847744. Its totient is φ = 11753064.

The previous prime is 27423841. The next prime is 27423887. The reversal of 27423844 is 44832472.

27423844 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (27423841) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 489684 + ... + 489739.

Almost surely, 227423844 is an apocalyptic number.

It is an amenable number.

27423844 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.

27423844 is a wasteful number, since it uses less digits than its factorization.

27423844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979434 (or 979432 counting only the distinct ones).

The product of its digits is 43008, while the sum is 34.

The square root of 27423844 is about 5236.7780170635. The cubic root of 27423844 is about 301.5616493251.

The spelling of 27423844 in words is "twenty-seven million, four hundred twenty-three thousand, eight hundred forty-four".

Divisors: 1 2 4 7 14 28 979423 1958846 3917692 6855961 13711922 27423844