Search a number
-
+
1489201 = 71911197
BaseRepresentation
bin101101011100100110001
32210122210121
411223210301
5340123301
651530241
715441460
oct5534461
92718717
101489201
1192794a
125b9981
13401aac
142aa9d7
151e63a1
hex16b931

1489201 has 8 divisors (see below), whose sum is σ = 1791680. Its totient is φ = 1209168.

The previous prime is 1489199. The next prime is 1489207. The reversal of 1489201 is 1029841.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1489201 - 21 = 1489199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1489207) 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 in 7 ways as a sum of consecutive naturals, for example, 5466 + ... + 5731.

It is an arithmetic number, because the mean of its divisors is an integer number (223960).

21489201 is an apocalyptic number.

It is an amenable number.

1489201 is a deficient number, since it is larger than the sum of its proper divisors (302479).

1489201 is a wasteful number, since it uses less digits than its factorization.

1489201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11223.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1489201 is about 1220.3282345336. The cubic root of 1489201 is about 114.1960563925.

The spelling of 1489201 in words is "one million, four hundred eighty-nine thousand, two hundred one".

Divisors: 1 7 19 133 11197 78379 212743 1489201