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1316968 = 23164621
BaseRepresentation
bin101000001100001101000
32110220112121
411001201220
5314120333
644121024
714123362
oct5014150
92426477
101316968
1181a504
12536174
13371593
14263d32
151b032d
hex141868

1316968 has 8 divisors (see below), whose sum is σ = 2469330. Its totient is φ = 658480.

The previous prime is 1316963. The next prime is 1316971. The reversal of 1316968 is 8696131.

It can be written as a sum of positive squares in only one way, i.e., 1044484 + 272484 = 1022^2 + 522^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1316963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82303 + ... + 82318.

21316968 is an apocalyptic number.

It is an amenable number.

1316968 is a deficient number, since it is larger than the sum of its proper divisors (1152362).

1316968 is a wasteful number, since it uses less digits than its factorization.

1316968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164627 (or 164623 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 1316968 is about 1147.5922620861. The cubic root of 1316968 is about 109.6120770963.

It can be divided in two parts, 1 and 316968, that added together give a square (316969 = 5632).

The spelling of 1316968 in words is "one million, three hundred sixteen thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 164621 329242 658484 1316968