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1490441 = 17731201
BaseRepresentation
bin101101011111000001001
32210201111112
411223320021
5340143231
651540105
715445211
oct5537011
92721445
101490441
11928877
125ba635
13402524
142ab241
151e692b
hex16be09

1490441 has 8 divisors (see below), whose sum is σ = 1601064. Its totient is φ = 1382400.

The previous prime is 1490429. The next prime is 1490443. The reversal of 1490441 is 1440941.

It can be written as a sum of positive squares in 4 ways, for example, as 60025 + 1430416 = 245^2 + 1196^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1490441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1490443) 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, 641 + ... + 1841.

It is an arithmetic number, because the mean of its divisors is an integer number (200133).

21490441 is an apocalyptic number.

It is an amenable number.

1490441 is a deficient number, since it is larger than the sum of its proper divisors (110623).

1490441 is a wasteful number, since it uses less digits than its factorization.

1490441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1490441 is about 1220.8361888476. The cubic root of 1490441 is about 114.2277431439.

The spelling of 1490441 in words is "one million, four hundred ninety thousand, four hundred forty-one".

Divisors: 1 17 73 1201 1241 20417 87673 1490441