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27944468 = 226986117
BaseRepresentation
bin110101010011…
…0011000010100
31221120201121022
41222212120110
524123210333
62434540312
7456344516
oct152463024
957521538
1027944468
1114857102
129437698
135a354b6
1439d5bb6
1526bec98
hex1aa6614

27944468 has 6 divisors (see below), whose sum is σ = 48902826. Its totient is φ = 13972232.

The previous prime is 27944467. The next prime is 27944479. The reversal of 27944468 is 86444972.

It can be written as a sum of positive squares in only one way, i.e., 27899524 + 44944 = 5282^2 + 212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27944467) 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 as a sum of consecutive naturals, namely, 3493055 + ... + 3493062.

It is an arithmetic number, because the mean of its divisors is an integer number (8150471).

Almost surely, 227944468 is an apocalyptic number.

It is an amenable number.

27944468 is a deficient number, since it is larger than the sum of its proper divisors (20958358).

27944468 is a wasteful number, since it uses less digits than its factorization.

27944468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6986121 (or 6986119 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 27944468 is about 5286.2527370530. The cubic root of 27944468 is about 303.4580168770.

The spelling of 27944468 in words is "twenty-seven million, nine hundred forty-four thousand, four hundred sixty-eight".

Divisors: 1 2 4 6986117 13972234 27944468