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670454497 = 691970267
BaseRepresentation
bin100111111101100…
…101001011100001
31201201120121200001
4213331211023201
52333114020442
6150310100001
722420524556
oct4775451341
91651517601
10670454497
113144aa429
1216864a601
13a8b9624b
1465086a2d
153dcd82b7
hex27f652e1

670454497 has 4 divisors (see below), whose sum is σ = 671425456. Its totient is φ = 669483540.

The previous prime is 670454489. The next prime is 670454507. The reversal of 670454497 is 794454076.

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 670454497 - 23 = 670454489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670454417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484443 + ... + 485824.

It is an arithmetic number, because the mean of its divisors is an integer number (167856364).

Almost surely, 2670454497 is an apocalyptic number.

It is an amenable number.

670454497 is a deficient number, since it is larger than the sum of its proper divisors (970959).

670454497 is an equidigital number, since it uses as much as digits as its factorization.

670454497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970958.

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 670454497 is about 25893.1360982018. The cubic root of 670454497 is about 875.2318284227.

The spelling of 670454497 in words is "six hundred seventy million, four hundred fifty-four thousand, four hundred ninety-seven".

Divisors: 1 691 970267 670454497