Search a number
-
+
27239912 = 2372321149
BaseRepresentation
bin110011111101…
…0010111101000
31220020221010122
41213322113220
523433134122
62411502412
7450351440
oct147722750
956227118
1027239912
1114415827
129157a08
1358498bb
143891120
1525d1142
hex19fa5e8

27239912 has 32 divisors (see below), whose sum is σ = 60912000. Its totient is φ = 11166144.

The previous prime is 27239873. The next prime is 27239921. The reversal of 27239912 is 21993272.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9287 + ... + 11862.

It is an arithmetic number, because the mean of its divisors is an integer number (1903500).

Almost surely, 227239912 is an apocalyptic number.

It is an amenable number.

27239912 is an abundant number, since it is smaller than the sum of its proper divisors (33672088).

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

27239912 is a wasteful number, since it uses less digits than its factorization.

27239912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21185 (or 21181 counting only the distinct ones).

The product of its digits is 13608, while the sum is 35.

The square root of 27239912 is about 5219.1869098548. The cubic root of 27239912 is about 300.8859440645.

The spelling of 27239912 in words is "twenty-seven million, two hundred thirty-nine thousand, nine hundred twelve".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 21149 42298 84596 148043 169192 296086 486427 592172 972854 1184344 1945708 3404989 3891416 6809978 13619956 27239912