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424261 is a prime number
BaseRepresentation
bin1100111100101000101
3210112222101
41213211011
5102034021
613032101
73414625
oct1474505
9715871
10424261
1126a832
12185631
1311b156
14b0885
1585a91
hex67945

424261 has 2 divisors, whose sum is σ = 424262. Its totient is φ = 424260.

The previous prime is 424247. The next prime is 424267. The reversal of 424261 is 162424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330625 + 93636 = 575^2 + 306^2 .

It is a cyclic number.

It is not a de Polignac number, because 424261 - 29 = 423749 is a prime.

It is a super-2 number, since 2×4242612 = 359994792242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212130 + 212131.

It is an arithmetic number, because the mean of its divisors is an integer number (212131).

2424261 is an apocalyptic number.

It is an amenable number.

424261 is a deficient number, since it is larger than the sum of its proper divisors (1).

424261 is an equidigital number, since it uses as much as digits as its factorization.

424261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 19.

The square root of 424261 is about 651.3532067934. The cubic root of 424261 is about 75.1411268688.

Adding to 424261 its reverse (162424), we get a palindrome (586685).

The spelling of 424261 in words is "four hundred twenty-four thousand, two hundred sixty-one".