Search a number
-
+
27051804 = 22321357803
BaseRepresentation
bin110011100110…
…0011100011100
31212220101002200
41213030130130
523411124204
62403451500
7445636143
oct147143434
955811080
1027051804
11142a746a
129086b90
1357b20b0
14384275a
152595539
hex19cc71c

27051804 has 36 divisors (see below), whose sum is σ = 73642296. Its totient is φ = 8323488.

The previous prime is 27051799. The next prime is 27051821. The reversal of 27051804 is 40815072.

It is a tau number, because it is divible by the number of its divisors (36).

It is a zygodrome in base 2.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 28434 + ... + 29369.

Almost surely, 227051804 is an apocalyptic number.

It is an amenable number.

27051804 is an abundant number, since it is smaller than the sum of its proper divisors (46590492).

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

27051804 is a wasteful number, since it uses less digits than its factorization.

27051804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57826 (or 57821 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 27051804 is about 5201.1348761592. The cubic root of 27051804 is about 300.1917440879.

Adding to 27051804 its reverse (40815072), we get a palindrome (67866876).

The spelling of 27051804 in words is "twenty-seven million, fifty-one thousand, eight hundred four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 57803 115606 173409 231212 346818 520227 693636 751439 1040454 1502878 2080908 2254317 3005756 4508634 6762951 9017268 13525902 27051804