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1424231 is a prime number
BaseRepresentation
bin101011011101101100111
32200100200022
411123231213
5331033411
650305355
715051164
oct5335547
92610608
101424231
11893056
1258825b
133ab353
1429106b
151d1edb
hex15bb67

1424231 has 2 divisors, whose sum is σ = 1424232. Its totient is φ = 1424230.

The previous prime is 1424191. The next prime is 1424237. The reversal of 1424231 is 1324241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1424231 is a prime.

It is a super-2 number, since 2×14242312 = 4056867882722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1424237) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712115 + 712116.

It is an arithmetic number, because the mean of its divisors is an integer number (712116).

21424231 is an apocalyptic number.

1424231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424231 is an equidigital number, since it uses as much as digits as its factorization.

1424231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 17.

The square root of 1424231 is about 1193.4114965091. The cubic root of 1424231 is about 112.5106096990.

Adding to 1424231 its reverse (1324241), we get a palindrome (2748472).

The spelling of 1424231 in words is "one million, four hundred twenty-four thousand, two hundred thirty-one".