Search a number
-
+
1426131 = 32722637
BaseRepresentation
bin101011100001011010011
32200110021200
411130023103
5331114011
650322243
715056550
oct5341323
92613250
101426131
11894523
12589383
133ac185
14291a27
151d2856
hex15c2d3

1426131 has 12 divisors (see below), whose sum is σ = 2354352. Its totient is φ = 814896.

The previous prime is 1426129. The next prime is 1426141. The reversal of 1426131 is 1316241.

It is a happy number.

It is not a de Polignac number, because 1426131 - 21 = 1426129 is a prime.

It is a super-2 number, since 2×14261312 = 4067699258322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1426111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11256 + ... + 11381.

It is an arithmetic number, because the mean of its divisors is an integer number (196196).

21426131 is an apocalyptic number.

1426131 is a deficient number, since it is larger than the sum of its proper divisors (928221).

1426131 is a wasteful number, since it uses less digits than its factorization.

1426131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22650 (or 22647 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1426131 is about 1194.2072684421. The cubic root of 1426131 is about 112.5606191821.

The spelling of 1426131 in words is "one million, four hundred twenty-six thousand, one hundred thirty-one".

Divisors: 1 3 7 9 21 63 22637 67911 158459 203733 475377 1426131