Search a number
-
+
27955412 = 2217478747
BaseRepresentation
bin110101010100…
…1000011010100
31221121021121122
41222221003110
524124033122
62435103112
7456421442
oct152510324
957537548
1027955412
1114864351
129441a98
135a3a484
1439d9b92
1526c3142
hex1aa90d4

27955412 has 24 divisors (see below), whose sum is σ = 52907904. Its totient is φ = 12874112.

The previous prime is 27955393. The next prime is 27955427. The reversal of 27955412 is 21455972.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1178 + ... + 7569.

It is an arithmetic number, because the mean of its divisors is an integer number (2204496).

Almost surely, 227955412 is an apocalyptic number.

It is an amenable number.

27955412 is a deficient number, since it is larger than the sum of its proper divisors (24952492).

27955412 is a wasteful number, since it uses less digits than its factorization.

27955412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8815 (or 8813 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 27955412 is about 5287.2877735187. The cubic root of 27955412 is about 303.4976265186.

The spelling of 27955412 in words is "twenty-seven million, nine hundred fifty-five thousand, four hundred twelve".

Divisors: 1 2 4 17 34 47 68 94 188 799 1598 3196 8747 17494 34988 148699 297398 411109 594796 822218 1644436 6988853 13977706 27955412