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8130266 = 229140177
BaseRepresentation
bin11111000000111011011010
3120022001121222
4133000323122
54040132031
6450132042
7126051254
oct37007332
916261558
108130266
114653431
122881022
1318b8811
141118cd4
15aa8e7b
hex7c0eda

8130266 has 8 divisors (see below), whose sum is σ = 12616020. Its totient is φ = 3924928.

The previous prime is 8130251. The next prime is 8130299. The reversal of 8130266 is 6620318.

It can be written as a sum of positive squares in 2 ways, for example, as 7958041 + 172225 = 2821^2 + 415^2 .

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

It is a super-2 number, since 2×81302662 = 132202450461512, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 70031 + ... + 70146.

Almost surely, 28130266 is an apocalyptic number.

8130266 is a deficient number, since it is larger than the sum of its proper divisors (4485754).

8130266 is a wasteful number, since it uses less digits than its factorization.

8130266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140208.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 8130266 is about 2851.3621306316. The cubic root of 8130266 is about 201.0797106356.

The spelling of 8130266 in words is "eight million, one hundred thirty thousand, two hundred sixty-six".

Divisors: 1 2 29 58 140177 280354 4065133 8130266