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667341468 = 223218537263
BaseRepresentation
bin100111110001101…
…101001010011100
31201111201110101200
4213301231022130
52331314411333
6150115235500
722352210643
oct4761551234
91644643350
10667341468
11312773582
121675a8b90
13a8346311
14648b635a
153d8c0c13
hex27c6d29c

667341468 has 18 divisors (see below), whose sum is σ = 1686891024. Its totient is φ = 222447144.

The previous prime is 667341431. The next prime is 667341469. The reversal of 667341468 is 864143766.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667341469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9268596 + ... + 9268667.

It is an arithmetic number, because the mean of its divisors is an integer number (93716168).

Almost surely, 2667341468 is an apocalyptic number.

It is an amenable number.

667341468 is an abundant number, since it is smaller than the sum of its proper divisors (1019549556).

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

667341468 is a wasteful number, since it uses less digits than its factorization.

667341468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18537273 (or 18537268 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 667341468 is about 25832.9531412884. The cubic root of 667341468 is about 873.8751119757.

The spelling of 667341468 in words is "six hundred sixty-seven million, three hundred forty-one thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 18537263 37074526 55611789 74149052 111223578 166835367 222447156 333670734 667341468