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27154244 = 2213240169
BaseRepresentation
bin110011110010…
…1011101000100
31220002120121202
41213211131010
523422413434
62410002032
7446543615
oct147453504
956076552
1027154244
1114367427
129116318
135819900
14386bc0c
1525b5a7e
hex19e5744

27154244 has 18 divisors (see below), whose sum is σ = 51457770. Its totient is φ = 12532416.

The previous prime is 27154243. The next prime is 27154261. The reversal of 27154244 is 44245172.

It can be written as a sum of positive squares in 3 ways, for example, as 2849344 + 24304900 = 1688^2 + 4930^2 .

It is not an unprimeable number, because it can be changed into a prime (27154241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19409 + ... + 20760.

It is an arithmetic number, because the mean of its divisors is an integer number (2858765).

Almost surely, 227154244 is an apocalyptic number.

It is an amenable number.

27154244 is a deficient number, since it is larger than the sum of its proper divisors (24303526).

27154244 is a wasteful number, since it uses less digits than its factorization.

27154244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40199 (or 40184 counting only the distinct ones).

The product of its digits is 8960, while the sum is 29.

The square root of 27154244 is about 5210.9734215404. The cubic root of 27154244 is about 300.5701896666.

The spelling of 27154244 in words is "twenty-seven million, one hundred fifty-four thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 169 338 676 40169 80338 160676 522197 1044394 2088788 6788561 13577122 27154244