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670061 = 795723
BaseRepresentation
bin10100011100101101101
31021001011002
42203211231
5132420221
622210045
75460350
oct2434555
91231132
10670061
11418477
12283925
131a5cb2
14136297
15d380b
hexa396d

670061 has 4 divisors (see below), whose sum is σ = 765792. Its totient is φ = 574332.

The previous prime is 670051. The next prime is 670097. The reversal of 670061 is 160076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 670061 - 218 = 407917 is a prime.

It is a Duffinian number.

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 670061.

It is not an unprimeable number, because it can be changed into a prime (670001) 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 3 ways as a sum of consecutive naturals, for example, 47855 + ... + 47868.

It is an arithmetic number, because the mean of its divisors is an integer number (191448).

2670061 is an apocalyptic number.

It is an amenable number.

670061 is a deficient number, since it is larger than the sum of its proper divisors (95731).

670061 is an equidigital number, since it uses as much as digits as its factorization.

670061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95730.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 670061 is about 818.5725380197. The cubic root of 670061 is about 87.5060567236.

The spelling of 670061 in words is "six hundred seventy thousand, sixty-one".

Divisors: 1 7 95723 670061