Search a number
-
+
27856748 = 2261114167
BaseRepresentation
bin110101001000…
…0111101101100
31221102021021102
41222100331230
524112403443
62433022232
7455531003
oct152207554
957367242
1027856748
11147a7207
1293b4978
135a045aa
1439b1c3a
1526a3cb8
hex1a90f6c

27856748 has 12 divisors (see below), whose sum is σ = 49548912. Its totient is φ = 13699920.

The previous prime is 27856729. The next prime is 27856771. The reversal of 27856748 is 84765872.

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 3 ways as a sum of consecutive naturals, for example, 56840 + ... + 57327.

It is an arithmetic number, because the mean of its divisors is an integer number (4129076).

Almost surely, 227856748 is an apocalyptic number.

It is an amenable number.

27856748 is a deficient number, since it is larger than the sum of its proper divisors (21692164).

27856748 is a wasteful number, since it uses less digits than its factorization.

27856748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114232 (or 114230 counting only the distinct ones).

The product of its digits is 752640, while the sum is 47.

The square root of 27856748 is about 5277.9492229464. The cubic root of 27856748 is about 303.1401574310.

The spelling of 27856748 in words is "twenty-seven million, eight hundred fifty-six thousand, seven hundred forty-eight".

Divisors: 1 2 4 61 122 244 114167 228334 456668 6964187 13928374 27856748