Search a number
-
+
312289007 is a prime number
BaseRepresentation
bin10010100111010…
…010011011101111
3210202121220222112
4102213102123233
51114421222012
650553234235
710511261402
oct2247223357
9722556875
10312289007
11150308398
128870297b
134c9114c4
142d691d39
151c63a122
hex129d26ef

312289007 has 2 divisors, whose sum is σ = 312289008. Its totient is φ = 312289006.

The previous prime is 312289001. The next prime is 312289013. The reversal of 312289007 is 700982213.

It is a balanced prime because it is at equal distance from previous prime (312289001) and next prime (312289013).

It is a cyclic number.

It is not a de Polignac number, because 312289007 - 224 = 295511791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312289001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156144503 + 156144504.

It is an arithmetic number, because the mean of its divisors is an integer number (156144504).

Almost surely, 2312289007 is an apocalyptic number.

312289007 is a deficient number, since it is larger than the sum of its proper divisors (1).

312289007 is an equidigital number, since it uses as much as digits as its factorization.

312289007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 312289007 is about 17671.7007387518. The cubic root of 312289007 is about 678.4516435991.

It can be divided in two parts, 3122 and 89007, that added together give a palindrome (92129).

The spelling of 312289007 in words is "three hundred twelve million, two hundred eighty-nine thousand, seven".