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670464061 is a prime number
BaseRepresentation
bin100111111101100…
…111100000111101
31201201121002210021
4213331213200331
52333114322221
6150310212141
722420564501
oct4775474075
91651532707
10670464061
11314506633
12168654051
13a8b9a6c7
146508a301
153dcdb041
hex27f6783d

670464061 has 2 divisors, whose sum is σ = 670464062. Its totient is φ = 670464060.

The previous prime is 670464029. The next prime is 670464121. The reversal of 670464061 is 160464076.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433888900 + 236575161 = 20830^2 + 15381^2 .

It is a cyclic number.

It is not a de Polignac number, because 670464061 - 25 = 670464029 is a prime.

It is a super-2 number, since 2×6704640612 = 899044114185223442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670464661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335232030 + 335232031.

It is an arithmetic number, because the mean of its divisors is an integer number (335232031).

Almost surely, 2670464061 is an apocalyptic number.

It is an amenable number.

670464061 is a deficient number, since it is larger than the sum of its proper divisors (1).

670464061 is an equidigital number, since it uses as much as digits as its factorization.

670464061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 670464061 is about 25893.3207796914. The cubic root of 670464061 is about 875.2359901157.

The spelling of 670464061 in words is "six hundred seventy million, four hundred sixty-four thousand, sixty-one".