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27938106 = 23271713043
BaseRepresentation
bin110101010010…
…0110100111010
31221120101212200
41222210310322
524123004411
62434451030
7456320130
oct152446472
957511780
1027938106
1114852349
129433a76
135a32631
1439d3750
1526bce56
hex1aa4d3a

27938106 has 48 divisors (see below), whose sum is σ = 73255104. Its totient is φ = 7512192.

The previous prime is 27938059. The next prime is 27938111. The reversal of 27938106 is 60183972.

27938106 is a `hidden beast` number, since 279 + 381 + 0 + 6 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4380 + ... + 8663.

It is an arithmetic number, because the mean of its divisors is an integer number (1526148).

Almost surely, 227938106 is an apocalyptic number.

27938106 is an abundant number, since it is smaller than the sum of its proper divisors (45316998).

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

27938106 is a wasteful number, since it uses less digits than its factorization.

27938106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13075 (or 13072 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 27938106 is about 5285.6509532885. The cubic root of 27938106 is about 303.4349861239.

The spelling of 27938106 in words is "twenty-seven million, nine hundred thirty-eight thousand, one hundred six".

Divisors: 1 2 3 6 7 9 14 17 18 21 34 42 51 63 102 119 126 153 238 306 357 714 1071 2142 13043 26086 39129 78258 91301 117387 182602 221731 234774 273903 443462 547806 665193 821709 1330386 1552117 1643418 1995579 3104234 3991158 4656351 9312702 13969053 27938106