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868716676 = 22147372
BaseRepresentation
bin110011110001111…
…001000010000100
32020112122101020201
4303301321002010
53234342413201
6222111340244
730345653452
oct6361710204
92215571221
10868716676
11406405773
12202b21684
1310ac92549
14835359d2
15513ec801
hex33c79084

868716676 has 9 divisors (see below), whose sum is σ = 1520357349. Its totient is φ = 434328864.

The previous prime is 868716671. The next prime is 868716683. The reversal of 868716676 is 676617868.

The square root of 868716676 is 29474.

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

It can be written as a sum of positive squares in only one way, i.e., 738208900 + 130507776 = 27170^2 + 11424^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868716671) 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 2 ways as a sum of consecutive naturals, for example, 51580 + ... + 66316.

Almost surely, 2868716676 is an apocalyptic number.

868716676 is the 29474-th square number.

It is an amenable number.

868716676 is a deficient number, since it is larger than the sum of its proper divisors (651640673).

868716676 is an frugal number, since it uses more digits than its factorization.

868716676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29478 (or 14739 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The cubic root of 868716676 is about 954.1706480827.

The spelling of 868716676 in words is "eight hundred sixty-eight million, seven hundred sixteen thousand, six hundred seventy-six".

Divisors: 1 2 4 14737 29474 58948 217179169 434358338 868716676