Search a number
-
+
260041631 is a prime number
BaseRepresentation
bin11110111111111…
…10101110011111
3200010022111001112
433133332232133
51013032313011
641445332235
76305213603
oct1737765637
9603274045
10260041631
11123872143
127310707b
1341b4a1b5
1426771503
1517c6958b
hexf7feb9f

260041631 has 2 divisors, whose sum is σ = 260041632. Its totient is φ = 260041630.

The previous prime is 260041603. The next prime is 260041633. The reversal of 260041631 is 136140062.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260041631 - 214 = 260025247 is a prime.

It is a super-3 number, since 3×2600416313 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 260041633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 260041597 and 260041606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260041633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130020815 + 130020816.

It is an arithmetic number, because the mean of its divisors is an integer number (130020816).

Almost surely, 2260041631 is an apocalyptic number.

260041631 is a deficient number, since it is larger than the sum of its proper divisors (1).

260041631 is an equidigital number, since it uses as much as digits as its factorization.

260041631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 260041631 is about 16125.8063674348. The cubic root of 260041631 is about 638.2844934573.

Adding to 260041631 its reverse (136140062), we get a palindrome (396181693).

The spelling of 260041631 in words is "two hundred sixty million, forty-one thousand, six hundred thirty-one".