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1002434105 = 5200486821
BaseRepresentation
bin111011101111111…
…110111000111001
32120212020221002002
4323233332320321
54023110342410
6243245350345
733561356261
oct7357767071
92525227062
101002434105
11474936642
1223b8683b5
1312c8b009a
14971c27a1
155d0127a5
hex3bbfee39

1002434105 has 4 divisors (see below), whose sum is σ = 1202920932. Its totient is φ = 801947280.

The previous prime is 1002434071. The next prime is 1002434107. The reversal of 1002434105 is 5014342001.

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 747967801 + 254466304 = 27349^2 + 15952^2 .

It is not a de Polignac number, because 1002434105 - 226 = 935325241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002434107) 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, 100243406 + ... + 100243415.

It is an arithmetic number, because the mean of its divisors is an integer number (300730233).

Almost surely, 21002434105 is an apocalyptic number.

It is an amenable number.

1002434105 is a deficient number, since it is larger than the sum of its proper divisors (200486827).

1002434105 is an equidigital number, since it uses as much as digits as its factorization.

1002434105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200486826.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1002434105 is about 31661.2397893702. The cubic root of 1002434105 is about 1000.8107109036.

Adding to 1002434105 its reverse (5014342001), we get a palindrome (6016776106).

The spelling of 1002434105 in words is "one billion, two million, four hundred thirty-four thousand, one hundred five".

Divisors: 1 5 200486821 1002434105