Search a number
-
+
1485947 is a prime number
BaseRepresentation
bin101101010110001111011
32210111100002
411222301323
5340022242
651503215
715426131
oct5526173
92714302
101485947
11925461
125b7b0b
13400478
142a9751
151e5432
hex16ac7b

1485947 has 2 divisors, whose sum is σ = 1485948. Its totient is φ = 1485946.

The previous prime is 1485937. The next prime is 1486003. The reversal of 1485947 is 7495841.

It is a weak prime.

It is an emirp because it is prime and its reverse (7495841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1485947 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1485947.

It is not a weakly prime, because it can be changed into another prime (1485917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742973 + 742974.

It is an arithmetic number, because the mean of its divisors is an integer number (742974).

21485947 is an apocalyptic number.

1485947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485947 is an equidigital number, since it uses as much as digits as its factorization.

1485947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 1485947 is about 1218.9942575747. The cubic root of 1485947 is about 114.1128204942.

The spelling of 1485947 in words is "one million, four hundred eighty-five thousand, nine hundred forty-seven".