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1426081 is a prime number
BaseRepresentation
bin101011100001010100001
32200110012211
411130022201
5331113311
650322121
715056446
oct5341241
92613184
101426081
11894488
12589341
133ac147
142919cd
151d2821
hex15c2a1

1426081 has 2 divisors, whose sum is σ = 1426082. Its totient is φ = 1426080.

The previous prime is 1426067. The next prime is 1426097. The reversal of 1426081 is 1806241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1245456 + 180625 = 1116^2 + 425^2 .

It is an emirp because it is prime and its reverse (1806241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1426081 - 27 = 1425953 is a prime.

It is a super-2 number, since 2×14260812 = 4067414037122, which contains 22 as substring.

It is a zygodrome in base 5.

It is not a weakly prime, because it can be changed into another prime (1426781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713040 + 713041.

It is an arithmetic number, because the mean of its divisors is an integer number (713041).

21426081 is an apocalyptic number.

It is an amenable number.

1426081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426081 is an equidigital number, since it uses as much as digits as its factorization.

1426081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1426081 is about 1194.1863338692. The cubic root of 1426081 is about 112.5593037123.

It can be divided in two parts, 14260 and 81, that added together give a palindrome (14341).

The spelling of 1426081 in words is "one million, four hundred twenty-six thousand, eighty-one".