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6868712 = 23858589
BaseRepresentation
bin11010001100111011101000
3110220222002202
4122030323220
53224244322
6403115332
7112245254
oct32147350
913828082
106868712
113971624
122372b48
131566536
14cab264
1590a292
hex68cee8

6868712 has 8 divisors (see below), whose sum is σ = 12878850. Its totient is φ = 3434352.

The previous prime is 6868703. The next prime is 6868727. The reversal of 6868712 is 2178686.

It can be written as a sum of positive squares in only one way, i.e., 6728836 + 139876 = 2594^2 + 374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429287 + ... + 429302.

Almost surely, 26868712 is an apocalyptic number.

It is an amenable number.

6868712 is a deficient number, since it is larger than the sum of its proper divisors (6010138).

6868712 is a wasteful number, since it uses less digits than its factorization.

6868712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858595 (or 858591 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 6868712 is about 2620.8227715738. The cubic root of 6868712 is about 190.0896345309.

The spelling of 6868712 in words is "six million, eight hundred sixty-eight thousand, seven hundred twelve".

Divisors: 1 2 4 8 858589 1717178 3434356 6868712