Search a number
-
+
27938924 = 2213537287
BaseRepresentation
bin110101010010…
…1000001101100
31221120102222222
41222211001230
524123021144
62434454512
7456322406
oct152450154
957512888
1027938924
1114852a22
129434438
135a32b10
1439d3b76
1526bd2ee
hex1aa506c

27938924 has 12 divisors (see below), whose sum is σ = 52654224. Its totient is φ = 12894864.

The previous prime is 27938921. The next prime is 27938929. The reversal of 27938924 is 42983972.

It is not an unprimeable number, because it can be changed into a prime (27938921) 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, 268592 + ... + 268695.

It is an arithmetic number, because the mean of its divisors is an integer number (4387852).

Almost surely, 227938924 is an apocalyptic number.

It is an amenable number.

27938924 is a deficient number, since it is larger than the sum of its proper divisors (24715300).

27938924 is a wasteful number, since it uses less digits than its factorization.

27938924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537304 (or 537302 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 27938924 is about 5285.7283320277. The cubic root of 27938924 is about 303.4379475200.

The spelling of 27938924 in words is "twenty-seven million, nine hundred thirty-eight thousand, nine hundred twenty-four".

Divisors: 1 2 4 13 26 52 537287 1074574 2149148 6984731 13969462 27938924