Search a number
-
+
1327906 = 21574229
BaseRepresentation
bin101000100001100100010
32111110112201
411010030202
5314443111
644243414
714200306
oct5041442
92443481
101327906
11827748
1254056a
13376558
14267d06
151b36c1
hex144322

1327906 has 8 divisors (see below), whose sum is σ = 2005020. Its totient is φ = 659568.

The previous prime is 1327903. The next prime is 1327933. The reversal of 1327906 is 6097231.

It can be written as a sum of positive squares in 2 ways, for example, as 1243225 + 84681 = 1115^2 + 291^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1327901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1801 + ... + 2428.

21327906 is an apocalyptic number.

1327906 is a deficient number, since it is larger than the sum of its proper divisors (677114).

1327906 is a wasteful number, since it uses less digits than its factorization.

1327906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4388.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1327906 is about 1152.3480377039. The cubic root of 1327906 is about 109.9146997106.

The spelling of 1327906 in words is "one million, three hundred twenty-seven thousand, nine hundred six".

Divisors: 1 2 157 314 4229 8458 663953 1327906