Search a number
-
+
1489961 = 11197129
BaseRepresentation
bin101101011110000101001
32210200211202
411223300221
5340134321
651533545
715443624
oct5536051
92720752
101489961
11928480
125ba2b5
13402245
142aadbb
151e670b
hex16bc29

1489961 has 8 divisors (see below), whose sum is σ = 1711200. Its totient is φ = 1283040.

The previous prime is 1489951. The next prime is 1489973. The reversal of 1489961 is 1699841.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-1489961 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489951) 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, 3356 + ... + 3773.

It is an arithmetic number, because the mean of its divisors is an integer number (213900).

21489961 is an apocalyptic number.

1489961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1489961 is a deficient number, since it is larger than the sum of its proper divisors (221239).

1489961 is a wasteful number, since it uses less digits than its factorization.

1489961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159.

The product of its digits is 15552, while the sum is 38.

The square root of 1489961 is about 1220.6395864464. The cubic root of 1489961 is about 114.2154793903.

The spelling of 1489961 in words is "one million, four hundred eighty-nine thousand, nine hundred sixty-one".

Divisors: 1 11 19 209 7129 78419 135451 1489961