Search a number
-
+
1480909 is a prime number
BaseRepresentation
bin101101001100011001101
32210020102111
411221203031
5334342114
651424021
715405343
oct5514315
92706374
101480909
119216a1
125b5011
133cb0a1
142a7993
151e3bc4
hex1698cd

1480909 has 2 divisors, whose sum is σ = 1480910. Its totient is φ = 1480908.

The previous prime is 1480907. The next prime is 1480931. The reversal of 1480909 is 9090841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1108809 + 372100 = 1053^2 + 610^2 .

It is a cyclic number.

It is not a de Polignac number, because 1480909 - 21 = 1480907 is a prime.

Together with 1480907, it forms a pair of twin primes.

1480909 is a modest number, since divided by 909 gives 148 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1480903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740454 + 740455.

It is an arithmetic number, because the mean of its divisors is an integer number (740455).

21480909 is an apocalyptic number.

It is an amenable number.

1480909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1480909 is an equidigital number, since it uses as much as digits as its factorization.

1480909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1480909 is about 1216.9260454111. The cubic root of 1480909 is about 113.9837106098.

The spelling of 1480909 in words is "one million, four hundred eighty thousand, nine hundred nine".