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868468 = 22217117
BaseRepresentation
bin11010100000001110100
31122010022111
43110001310
5210242333
630340404
710244656
oct3240164
91563274
10868468
11543547
1235a704
132453b3
141886d6
151224cd
hexd4074

868468 has 6 divisors (see below), whose sum is σ = 1519826. Its totient is φ = 434232.

The previous prime is 868459. The next prime is 868487. The reversal of 868468 is 864868.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 595984 + 272484 = 772^2 + 522^2 .

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 868468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108555 + ... + 108562.

2868468 is an apocalyptic number.

It is an amenable number.

868468 is a deficient number, since it is larger than the sum of its proper divisors (651358).

868468 is a wasteful number, since it uses less digits than its factorization.

868468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217121 (or 217119 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 868468 is about 931.9163052549. The cubic root of 868468 is about 95.4079593469.

Subtracting from 868468 its reverse (864868), we obtain a square (3600 = 602).

The spelling of 868468 in words is "eight hundred sixty-eight thousand, four hundred sixty-eight".

Divisors: 1 2 4 217117 434234 868468