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4497087161 = 7291777289
BaseRepresentation
bin1000011000000110…
…00001101010111001
3102121102001200211202
410030003001222321
533202223242121
62022124103545
7216304416200
oct41403015271
912542050752
104497087161
1119a8541166
12a56094bb5
135688c6a28
1430938c237
151b4c1540b
hex10c0c1ab9

4497087161 has 6 divisors (see below), whose sum is σ = 5231305530. Its totient is φ = 3854646096.

The previous prime is 4497087139. The next prime is 4497087191. The reversal of 4497087161 is 1617807944.

It is a happy number.

4497087161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3787663936 + 709423225 = 61544^2 + 26635^2 .

It is not a de Polignac number, because 4497087161 - 26 = 4497087097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4497087191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45888596 + ... + 45888693.

It is an arithmetic number, because the mean of its divisors is an integer number (871884255).

Almost surely, 24497087161 is an apocalyptic number.

It is an amenable number.

4497087161 is a deficient number, since it is larger than the sum of its proper divisors (734218369).

4497087161 is an equidigital number, since it uses as much as digits as its factorization.

4497087161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91777303 (or 91777296 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 4497087161 is about 67060.3247904452. The cubic root of 4497087161 is about 1650.6073259864.

The spelling of 4497087161 in words is "four billion, four hundred ninety-seven million, eighty-seven thousand, one hundred sixty-one".

Divisors: 1 7 49 91777289 642441023 4497087161