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1240310441 = 11909104149
BaseRepresentation
bin100100111101101…
…1010001010101001
310012102212022001202
41021323122022221
510020004413231
6323024053545
742510315266
oct11173321251
93172768052
101240310441
11587139657
122a74642b5
13169c69406
14baa2426d
1573d4e5cb
hex49eda2a9

1240310441 has 4 divisors (see below), whose sum is σ = 1240426500. Its totient is φ = 1240194384.

The previous prime is 1240310413. The next prime is 1240310453. The reversal of 1240310441 is 1440130421.

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 789385216 + 450925225 = 28096^2 + 21235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1240310441 is a prime.

It is a super-2 number, since 2×12403104412 = 3076739980107228962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240310471) 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, 40166 + ... + 63983.

It is an arithmetic number, because the mean of its divisors is an integer number (310106625).

Almost surely, 21240310441 is an apocalyptic number.

It is an amenable number.

1240310441 is a deficient number, since it is larger than the sum of its proper divisors (116059).

1240310441 is a wasteful number, since it uses less digits than its factorization.

1240310441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116058.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1240310441 is about 35218.0414134574. The cubic root of 1240310441 is about 1074.4267189583.

Adding to 1240310441 its reverse (1440130421), we get a palindrome (2680440862).

The spelling of 1240310441 in words is "one billion, two hundred forty million, three hundred ten thousand, four hundred forty-one".

Divisors: 1 11909 104149 1240310441