Search a number
-
+
27194401 = 132091877
BaseRepresentation
bin110011110111…
…1010000100001
31220011121201001
41213233100201
523430210101
62410512001
7450101653
oct147572041
956147631
1027194401
1114394613
129135601
135831c80
14387c6d3
1525c2901
hex19ef421

27194401 has 4 divisors (see below), whose sum is σ = 29286292. Its totient is φ = 25102512.

The previous prime is 27194393. The next prime is 27194417. The reversal of 27194401 is 10449172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18284176 + 8910225 = 4276^2 + 2985^2 .

It is a cyclic number.

It is not a de Polignac number, because 27194401 - 23 = 27194393 is a prime.

It is a super-3 number, since 3×271944013 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27194401.

It is not an unprimeable number, because it can be changed into a prime (27194501) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1045926 + ... + 1045951.

It is an arithmetic number, because the mean of its divisors is an integer number (7321573).

Almost surely, 227194401 is an apocalyptic number.

It is an amenable number.

27194401 is a deficient number, since it is larger than the sum of its proper divisors (2091891).

27194401 is a wasteful number, since it uses less digits than its factorization.

27194401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091890.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 27194401 is about 5214.8251169143. The cubic root of 27194401 is about 300.7182825650.

The spelling of 27194401 in words is "twenty-seven million, one hundred ninety-four thousand, four hundred one".

Divisors: 1 13 2091877 27194401