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312404041 is a prime number
BaseRepresentation
bin10010100111101…
…110100001001001
3210202211202210001
4102213232201021
51114433412131
650555523001
710512250645
oct2247564111
9722752701
10312404041
11150386864
1288759461
134c951981
142d6c1c25
151c65e261
hex129ee849

312404041 has 2 divisors, whose sum is σ = 312404042. Its totient is φ = 312404040.

The previous prime is 312404021. The next prime is 312404077. The reversal of 312404041 is 140404213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310499641 + 1904400 = 17621^2 + 1380^2 .

It is a cyclic number.

It is not a de Polignac number, because 312404041 - 215 = 312371273 is a prime.

It is not a weakly prime, because it can be changed into another prime (312404021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156202020 + 156202021.

It is an arithmetic number, because the mean of its divisors is an integer number (156202021).

Almost surely, 2312404041 is an apocalyptic number.

It is an amenable number.

312404041 is a deficient number, since it is larger than the sum of its proper divisors (1).

312404041 is an equidigital number, since it uses as much as digits as its factorization.

312404041 is an evil number, because the sum of its binary digits is even.

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

The square root of 312404041 is about 17674.9551908909. The cubic root of 312404041 is about 678.5349376246.

Adding to 312404041 its reverse (140404213), we get a palindrome (452808254).

The spelling of 312404041 in words is "three hundred twelve million, four hundred four thousand, forty-one".