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8664130 = 257112203
BaseRepresentation
bin100001000011…
…010001000010
3121022011221201
4201003101002
54204223010
6505411414
7133433566
oct41032102
917264851
108664130
114988542
122a99b6a
131a44807
1412176a6
15b6223a
hex843442

8664130 has 16 divisors (see below), whose sum is σ = 15816384. Its totient is φ = 3416560.

The previous prime is 8664109. The next prime is 8664157. The reversal of 8664130 is 314668.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5392 + ... + 6811.

It is an arithmetic number, because the mean of its divisors is an integer number (988524).

Almost surely, 28664130 is an apocalyptic number.

8664130 is a deficient number, since it is larger than the sum of its proper divisors (7152254).

8664130 is a wasteful number, since it uses less digits than its factorization.

8664130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12281.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 8664130 is about 2943.4894258346. The cubic root of 8664130 is about 205.3879625218.

Adding to 8664130 its reverse (314668), we get a palindrome (8978798).

The spelling of 8664130 in words is "eight million, six hundred sixty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 12203 24406 61015 122030 866413 1732826 4332065 8664130