Search a number
-
+
27769133 = 72566717
BaseRepresentation
bin110100111101…
…1100100101101
31221020211002102
41221323210231
524102103013
62431104445
7455014400
oct151734455
957224072
1027769133
11147473a7
129372125
1359a3752
14398bd37
152687d58
hex1a7b92d

27769133 has 6 divisors (see below), whose sum is σ = 32302926. Its totient is φ = 23802072.

The previous prime is 27769123. The next prime is 27769199. The reversal of 27769133 is 33196772.

It can be written as a sum of positive squares in only one way, i.e., 27269284 + 499849 = 5222^2 + 707^2 .

It is not a de Polignac number, because 27769133 - 26 = 27769069 is a prime.

It is a super-2 number, since 2×277691332 = 1542249495143378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27769103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283310 + ... + 283407.

It is an arithmetic number, because the mean of its divisors is an integer number (5383821).

Almost surely, 227769133 is an apocalyptic number.

It is an amenable number.

27769133 is a deficient number, since it is larger than the sum of its proper divisors (4533793).

27769133 is an equidigital number, since it uses as much as digits as its factorization.

27769133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566731 (or 566724 counting only the distinct ones).

The product of its digits is 47628, while the sum is 38.

The square root of 27769133 is about 5269.6425875006. The cubic root of 27769133 is about 302.8220116715.

The spelling of 27769133 in words is "twenty-seven million, seven hundred sixty-nine thousand, one hundred thirty-three".

Divisors: 1 7 49 566717 3967019 27769133