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670055 = 5177883
BaseRepresentation
bin10100011100101100111
31021001010212
42203211213
5132420210
622210035
75460341
oct2434547
91231125
10670055
11418471
1228391b
131a5ca9
14136291
15d3805
hexa3967

670055 has 8 divisors (see below), whose sum is σ = 851472. Its totient is φ = 504448.

The previous prime is 670051. The next prime is 670097. The reversal of 670055 is 550076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670055 - 22 = 670051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 670055.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670055.

It is not an unprimeable number, because it can be changed into a prime (670051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3857 + ... + 4026.

It is an arithmetic number, because the mean of its divisors is an integer number (106434).

2670055 is an apocalyptic number.

670055 is a deficient number, since it is larger than the sum of its proper divisors (181417).

670055 is a wasteful number, since it uses less digits than its factorization.

670055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7905.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 670055 is about 818.5688730950. The cubic root of 670055 is about 87.5057955345.

The spelling of 670055 in words is "six hundred seventy thousand, fifty-five".

Divisors: 1 5 17 85 7883 39415 134011 670055