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1423413 = 3417573
BaseRepresentation
bin101011011100000110101
32200022120000
411123200311
5331022123
650301513
715045615
oct5334065
92608500
101423413
11892482
12587899
133aab74
14290a45
151d1b43
hex15b835

1423413 has 10 divisors (see below), whose sum is σ = 2126454. Its totient is φ = 948888.

The previous prime is 1423403. The next prime is 1423417. The reversal of 1423413 is 3143241.

It can be written as a sum of positive squares in only one way, i.e., 1306449 + 116964 = 1143^2 + 342^2 .

It is not a de Polignac number, because 1423413 - 25 = 1423381 is a prime.

It is a super-2 number, since 2×14234132 = 4052209137138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423417) 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 9 ways as a sum of consecutive naturals, for example, 8706 + ... + 8867.

21423413 is an apocalyptic number.

It is an amenable number.

1423413 is a deficient number, since it is larger than the sum of its proper divisors (703041).

1423413 is an equidigital number, since it uses as much as digits as its factorization.

1423413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17585 (or 17576 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 1423413 is about 1193.0687323034. The cubic root of 1423413 is about 112.4890656039.

Adding to 1423413 its reverse (3143241), we get a palindrome (4566654).

The spelling of 1423413 in words is "one million, four hundred twenty-three thousand, four hundred thirteen".

Divisors: 1 3 9 27 81 17573 52719 158157 474471 1423413