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1000120441 = 5318870197
BaseRepresentation
bin111011100111001…
…010000001111001
32120200220101022211
4323213022001321
54022012323231
6243124015121
733532612015
oct7347120171
92520811284
101000120441
114735a6321
1223ab314a1
1312c27cc58
1496b7d545
155cc06eb1
hex3b9ca079

1000120441 has 4 divisors (see below), whose sum is σ = 1018990692. Its totient is φ = 981250192.

The previous prime is 1000120427. The next prime is 1000120463. The reversal of 1000120441 is 1440210001.

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 645363216 + 354757225 = 25404^2 + 18835^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000120441 - 25 = 1000120409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000100441) 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, 9435046 + ... + 9435151.

It is an arithmetic number, because the mean of its divisors is an integer number (254747673).

Almost surely, 21000120441 is an apocalyptic number.

It is an amenable number.

1000120441 is a deficient number, since it is larger than the sum of its proper divisors (18870251).

1000120441 is an equidigital number, since it uses as much as digits as its factorization.

1000120441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18870250.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1000120441 is about 31624.6808837655. The cubic root of 1000120441 is about 1000.0401453883.

Adding to 1000120441 its reverse (1440210001), we get a palindrome (2440330442).

The spelling of 1000120441 in words is "one billion, one hundred twenty thousand, four hundred forty-one".

Divisors: 1 53 18870197 1000120441