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1314421 = 8211601
BaseRepresentation
bin101000000111001110101
32110210001021
411000321311
5314030141
644101141
714113063
oct5007165
92423037
101314421
118185a9
125347b1
13370384
14263033
151ae6d1
hex140e75

1314421 has 4 divisors (see below), whose sum is σ = 1316844. Its totient is φ = 1312000.

The previous prime is 1314409. The next prime is 1314433. The reversal of 1314421 is 1244131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1314409) and next prime (1314433).

It can be written as a sum of positive squares in 2 ways, for example, as 972196 + 342225 = 986^2 + 585^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314421 - 211 = 1312373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1314395 and 1314404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21 + ... + 1621.

It is an arithmetic number, because the mean of its divisors is an integer number (329211).

21314421 is an apocalyptic number.

It is an amenable number.

1314421 is a deficient number, since it is larger than the sum of its proper divisors (2423).

1314421 is an equidigital number, since it uses as much as digits as its factorization.

1314421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422.

The product of its digits is 96, while the sum is 16.

The square root of 1314421 is about 1146.4820103255. The cubic root of 1314421 is about 109.5413686883.

Adding to 1314421 its reverse (1244131), we get a palindrome (2558552).

The spelling of 1314421 in words is "one million, three hundred fourteen thousand, four hundred twenty-one".

Divisors: 1 821 1601 1314421