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6240431 is a prime number
BaseRepresentation
bin10111110011100010101111
3102202001021002
4113303202233
53044143211
6341430515
7104020451
oct27634257
912661232
106240431
11358258a
12210b43b
1313a6582
14b862d1
1583403b
hex5f38af

6240431 has 2 divisors, whose sum is σ = 6240432. Its totient is φ = 6240430.

The previous prime is 6240419. The next prime is 6240463. The reversal of 6240431 is 1340426.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6240431 - 222 = 2046127 is a prime.

It is a super-2 number, since 2×62404312 = 77885958131522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6240401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3120215 + 3120216.

It is an arithmetic number, because the mean of its divisors is an integer number (3120216).

Almost surely, 26240431 is an apocalyptic number.

6240431 is a deficient number, since it is larger than the sum of its proper divisors (1).

6240431 is an equidigital number, since it uses as much as digits as its factorization.

6240431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 6240431 is about 2498.0854669126. The cubic root of 6240431 is about 184.1075202554.

Adding to 6240431 its reverse (1340426), we get a palindrome (7580857).

The spelling of 6240431 in words is "six million, two hundred forty thousand, four hundred thirty-one".