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1426829 = 2949201
BaseRepresentation
bin101011100010110001101
32200111020112
411130112031
5331124304
650325405
715061565
oct5342615
92614215
101426829
11894aa8
12589865
133ac5a1
14291da5
151d2b6e
hex15c58d

1426829 has 4 divisors (see below), whose sum is σ = 1476060. Its totient is φ = 1377600.

The previous prime is 1426811. The next prime is 1426847. The reversal of 1426829 is 9286241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9286241 = 10878543.

It is an interprime number because it is at equal distance from previous prime (1426811) and next prime (1426847).

It can be written as a sum of positive squares in 2 ways, for example, as 372100 + 1054729 = 610^2 + 1027^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426829 - 220 = 378253 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 = 1426795 and 1426804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426889) 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, 24572 + ... + 24629.

It is an arithmetic number, because the mean of its divisors is an integer number (369015).

21426829 is an apocalyptic number.

It is an amenable number.

1426829 is a deficient number, since it is larger than the sum of its proper divisors (49231).

1426829 is an equidigital number, since it uses as much as digits as its factorization.

1426829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49230.

The product of its digits is 6912, while the sum is 32.

The square root of 1426829 is about 1194.4994767684. The cubic root of 1426829 is about 112.5789799306.

The spelling of 1426829 in words is "one million, four hundred twenty-six thousand, eight hundred twenty-nine".

Divisors: 1 29 49201 1426829