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868727868 = 223201135999
BaseRepresentation
bin110011110001111…
…011110000111100
32020112122221121020
4303301323300330
53234343242433
6222111504140
730346031211
oct6361736074
92215587536
10868727868
11406413118
12202b28050
1310ac97678
1483539b08
1551400cb3
hex33c7bc3c

868727868 has 24 divisors (see below), whose sum is σ = 2028096000. Its totient is φ = 289423920.

The previous prime is 868727833. The next prime is 868727869.

868727868 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868727869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6133 + ... + 42131.

It is an arithmetic number, because the mean of its divisors is an integer number (84504000).

Almost surely, 2868727868 is an apocalyptic number.

It is an amenable number.

868727868 is an abundant number, since it is smaller than the sum of its proper divisors (1159368132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

868727868 is a wasteful number, since it uses less digits than its factorization.

868727868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38017 (or 38015 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 60.

The square root of 868727868 is about 29474.1898616400. The cubic root of 868727868 is about 954.1747457102.

The spelling of 868727868 in words is "eight hundred sixty-eight million, seven hundred twenty-seven thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 2011 4022 6033 8044 12066 24132 35999 71998 107997 143996 215994 431988 72393989 144787978 217181967 289575956 434363934 868727868