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1426013 = 1678539
BaseRepresentation
bin101011100001001011101
32200110010022
411130021131
5331113023
650321525
715056321
oct5341135
92613108
101426013
11894426
125892a5
133ac0c4
14291981
151d27c8
hex15c25d

1426013 has 4 divisors (see below), whose sum is σ = 1434720. Its totient is φ = 1417308.

The previous prime is 1426003. The next prime is 1426043. The reversal of 1426013 is 3106241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3106241 = 9413301.

It is a cyclic number.

It is not a de Polignac number, because 1426013 - 28 = 1425757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1425982 and 1426000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426003) 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 3 ways as a sum of consecutive naturals, for example, 4103 + ... + 4436.

It is an arithmetic number, because the mean of its divisors is an integer number (358680).

21426013 is an apocalyptic number.

It is an amenable number.

1426013 is a deficient number, since it is larger than the sum of its proper divisors (8707).

1426013 is an equidigital number, since it uses as much as digits as its factorization.

1426013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8706.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1426013 is about 1194.1578622611. The cubic root of 1426013 is about 112.5575146241.

The spelling of 1426013 in words is "one million, four hundred twenty-six thousand, thirteen".

Divisors: 1 167 8539 1426013