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1424005 = 511171523
BaseRepresentation
bin101011011101010000101
32200100100221
411123222011
5331032010
650304341
715050422
oct5335205
92610327
101424005
11892970
125880b1
133ab20b
14290d49
151d1dda
hex15ba85

1424005 has 16 divisors (see below), whose sum is σ = 1975104. Its totient is φ = 974080.

The previous prime is 1423997. The next prime is 1424021. The reversal of 1424005 is 5004241.

It is not a de Polignac number, because 1424005 - 23 = 1423997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1424005.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 174 + ... + 1696.

It is an arithmetic number, because the mean of its divisors is an integer number (123444).

21424005 is an apocalyptic number.

It is an amenable number.

1424005 is a deficient number, since it is larger than the sum of its proper divisors (551099).

1424005 is a wasteful number, since it uses less digits than its factorization.

1424005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1424005 is about 1193.3168062170. The cubic root of 1424005 is about 112.5046582433.

Adding to 1424005 its reverse (5004241), we get a palindrome (6428246).

The spelling of 1424005 in words is "one million, four hundred twenty-four thousand, five".

Divisors: 1 5 11 17 55 85 187 935 1523 7615 16753 25891 83765 129455 284801 1424005