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1005241345 = 5375433737
BaseRepresentation
bin111011111010101…
…100010000000001
32121001112112212221
4323322230100001
54024320210340
6243425451041
733624260533
oct7372542001
92531475787
101005241345
11476483779
122407a0a81
13130353a84
1497713853
155d3b944a
hex3beac401

1005241345 has 8 divisors (see below), whose sum is σ = 1238892264. Its totient is φ = 782457984.

The previous prime is 1005241343. The next prime is 1005241357. The reversal of 1005241345 is 5431425001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 581581456 + 423659889 = 24116^2 + 20583^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1005241345 - 21 = 1005241343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005241343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2716684 + ... + 2717053.

It is an arithmetic number, because the mean of its divisors is an integer number (154861533).

Almost surely, 21005241345 is an apocalyptic number.

It is an amenable number.

1005241345 is a deficient number, since it is larger than the sum of its proper divisors (233650919).

1005241345 is an equidigital number, since it uses as much as digits as its factorization.

1005241345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433779.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1005241345 is about 31705.5412349324. The cubic root of 1005241345 is about 1001.7440714464.

Adding to 1005241345 its reverse (5431425001), we get a palindrome (6436666346).

The spelling of 1005241345 in words is "one billion, five million, two hundred forty-one thousand, three hundred forty-five".

Divisors: 1 5 37 185 5433737 27168685 201048269 1005241345