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1068868 = 22267217
BaseRepresentation
bin100000100111101000100
32000022012201
410010331010
5233200433
634524244
712041143
oct4047504
92008181
101068868
11670069
12436684
132b5688
141db75a
15161a7d
hex104f44

1068868 has 6 divisors (see below), whose sum is σ = 1870526. Its totient is φ = 534432.

The previous prime is 1068857. The next prime is 1068871. The reversal of 1068868 is 8688601.

It can be written as a sum of positive squares in only one way, i.e., 1065024 + 3844 = 1032^2 + 62^2 .

It is a super-2 number, since 2×10688682 = 2284957602848, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133605 + ... + 133612.

21068868 is an apocalyptic number.

It is an amenable number.

1068868 is a deficient number, since it is larger than the sum of its proper divisors (801658).

1068868 is a wasteful number, since it uses less digits than its factorization.

1068868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267221 (or 267219 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 1068868 is about 1033.8607256299. The cubic root of 1068868 is about 102.2448302932.

It can be divided in two parts, 1068 and 868, that added together give a square (1936 = 442).

The spelling of 1068868 in words is "one million, sixty-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 4 267217 534434 1068868