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667310227 = 53139239379
BaseRepresentation
bin100111110001100…
…101100010010011
31201111122212112121
4213301211202103
52331312411402
6150114435111
722352020603
oct4761454223
91644585477
10667310227
11312752061
12167592a97
13a833502c
14648a8c03
153d8b6837
hex27c65893

667310227 has 16 divisors (see below), whose sum is σ = 689472000. Its totient is φ = 645581664.

The previous prime is 667310209. The next prime is 667310251. The reversal of 667310227 is 722013766.

It is a happy number.

667310227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 667310227 - 215 = 667277459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 667310192 and 667310201.

It is not an unprimeable number, because it can be changed into a prime (667310297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1760524 + ... + 1760902.

It is an arithmetic number, because the mean of its divisors is an integer number (43092000).

Almost surely, 2667310227 is an apocalyptic number.

667310227 is a deficient number, since it is larger than the sum of its proper divisors (22161773).

667310227 is a wasteful number, since it uses less digits than its factorization.

667310227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 667310227 is about 25832.3484607962. The cubic root of 667310227 is about 873.8614751996.

It can be divided in two parts, 6673 and 10227, that added together give a square (16900 = 1302).

The spelling of 667310227 in words is "six hundred sixty-seven million, three hundred ten thousand, two hundred twenty-seven".

Divisors: 1 53 139 239 379 7367 12667 20087 33221 52681 90581 1760713 2792093 4800793 12590759 667310227