Search a number
-
+
1489145 = 57157271
BaseRepresentation
bin101101011100011111001
32210122201112
411223203321
5340123040
651530105
715441350
oct5534371
92718645
101489145
119278a9
125b9935
13401a68
142aa997
151e6365
hex16b8f9

1489145 has 16 divisors (see below), whose sum is σ = 2062848. Its totient is φ = 1010880.

The previous prime is 1489129. The next prime is 1489153. The reversal of 1489145 is 5419841.

It is not a de Polignac number, because 1489145 - 24 = 1489129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 5360 + ... + 5630.

It is an arithmetic number, because the mean of its divisors is an integer number (128928).

21489145 is an apocalyptic number.

It is an amenable number.

1489145 is a deficient number, since it is larger than the sum of its proper divisors (573703).

1489145 is a wasteful number, since it uses less digits than its factorization.

1489145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440.

The product of its digits is 5760, while the sum is 32.

The square root of 1489145 is about 1220.3052896714. The cubic root of 1489145 is about 114.1946249629.

The spelling of 1489145 in words is "one million, four hundred eighty-nine thousand, one hundred forty-five".

Divisors: 1 5 7 35 157 271 785 1099 1355 1897 5495 9485 42547 212735 297829 1489145