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8108462209 = 53216992
BaseRepresentation
bin1111000110100110…
…10101000010000001
3202221002111120002011
413203103111002001
5113101231242314
63420332252521
7404635535341
oct74323250201
922832446064
108108462209
113491019741
1216a3611141
139c2b5a543
1456cc5cd21
15326cc24c4
hex1e34d5081

8108462209 has 9 divisors (see below), whose sum is σ = 8269205763. Its totient is φ = 7950789912.

The previous prime is 8108462177. The next prime is 8108462261. The reversal of 8108462209 is 9022648018.

The square root of 8108462209 is 90047.

It is a perfect power (a square), and thus also a powerful number.

8108462209 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., 5845367025 + 2263095184 = 76455^2 + 47572^2 .

It is not a de Polignac number, because 8108462209 - 25 = 8108462177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8108462009) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4771642 + ... + 4773340.

Almost surely, 28108462209 is an apocalyptic number.

8108462209 is the 90047-th square number.

8108462209 is the 45024-th centered octagonal number.

It is an amenable number.

8108462209 is a deficient number, since it is larger than the sum of its proper divisors (160743554).

8108462209 is an frugal number, since it uses more digits than its factorization.

8108462209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The cubic root of 8108462209 is about 2008.9979749312.

The spelling of 8108462209 in words is "eight billion, one hundred eight million, four hundred sixty-two thousand, two hundred nine".

Divisors: 1 53 1699 2809 90047 2886601 4772491 152989853 8108462209