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3445532005 = 5689106401
BaseRepresentation
bin1100110101011110…
…1010010101100101
322220010101011100111
43031113222111211
524024024011010
61325521413021
7151245352546
oct31527522545
98803334314
103445532005
111508a05213
12801a9a171
1342baa8646
142498604cd
1515274d58a
hexcd5ea565

3445532005 has 4 divisors (see below), whose sum is σ = 4134638412. Its totient is φ = 2756425600.

The previous prime is 3445531981. The next prime is 3445532009. The reversal of 3445532005 is 5002355443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5002355443 = 19031262853.

It can be written as a sum of positive squares in 2 ways, for example, as 881021124 + 2564510881 = 29682^2 + 50641^2 .

It is not a de Polignac number, because 3445532005 - 211 = 3445529957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3445532009) 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, 344553196 + ... + 344553205.

It is an arithmetic number, because the mean of its divisors is an integer number (1033659603).

Almost surely, 23445532005 is an apocalyptic number.

It is an amenable number.

3445532005 is a deficient number, since it is larger than the sum of its proper divisors (689106407).

3445532005 is an equidigital number, since it uses as much as digits as its factorization.

3445532005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689106406.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 3445532005 is about 58698.6542009270. The cubic root of 3445532005 is about 1510.3772291156.

Adding to 3445532005 its reverse (5002355443), we get a palindrome (8447887448).

The spelling of 3445532005 in words is "three billion, four hundred forty-five million, five hundred thirty-two thousand, five".

Divisors: 1 5 689106401 3445532005