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1072241 = 1763073
BaseRepresentation
bin100000101110001110001
32000110211122
410011301301
5233302431
634552025
712054032
oct4056161
92013748
101072241
11672655
12438615
132b7081
141dca89
15162a7b
hex105c71

1072241 has 4 divisors (see below), whose sum is σ = 1135332. Its totient is φ = 1009152.

The previous prime is 1072231. The next prime is 1072301. The reversal of 1072241 is 1422701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 313600 + 758641 = 560^2 + 871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1072241 is a prime.

It is a super-2 number, since 2×10722412 = 2299401524162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 63073 = 1072241 / (1 + 0 + 7 + 2 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31520 + ... + 31553.

It is an arithmetic number, because the mean of its divisors is an integer number (283833).

21072241 is an apocalyptic number.

It is an amenable number.

1072241 is a deficient number, since it is larger than the sum of its proper divisors (63091).

1072241 is an equidigital number, since it uses as much as digits as its factorization.

1072241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63090.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1072241 is about 1035.4907049317. The cubic root of 1072241 is about 102.3522678438.

Adding to 1072241 its reverse (1422701), we get a palindrome (2494942).

The spelling of 1072241 in words is "one million, seventy-two thousand, two hundred forty-one".

Divisors: 1 17 63073 1072241