Search a number
-
+
27949461 = 322034229
BaseRepresentation
bin110101010011…
…1100110010101
31221120222110020
41222213212111
524123340321
62435015353
7456365211
oct152474625
957528406
1027949461
111485a931
12943a559
135a37857
1439d7941
1526c14c6
hex1aa7995

27949461 has 8 divisors (see below), whose sum is σ = 37291680. Its totient is φ = 18620112.

The previous prime is 27949457. The next prime is 27949463. The reversal of 27949461 is 16494972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27949461 - 22 = 27949457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27949463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4495 + ... + 8723.

It is an arithmetic number, because the mean of its divisors is an integer number (4661460).

Almost surely, 227949461 is an apocalyptic number.

It is an amenable number.

27949461 is a deficient number, since it is larger than the sum of its proper divisors (9342219).

27949461 is a wasteful number, since it uses less digits than its factorization.

27949461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435.

The product of its digits is 108864, while the sum is 42.

The square root of 27949461 is about 5286.7249786612. The cubic root of 27949461 is about 303.4760893347.

The spelling of 27949461 in words is "twenty-seven million, nine hundred forty-nine thousand, four hundred sixty-one".

Divisors: 1 3 2203 4229 6609 12687 9316487 27949461