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670311347 = 35312771487
BaseRepresentation
bin100111111101000…
…010001110110011
31201201022100022012
4213331002032303
52333044430342
6150303033135
722416360326
oct4775021663
91651270265
10670311347
11314411922
1216859b7ab
13a8b46044
146504a7bd
153dcaab82
hex27f423b3

670311347 has 8 divisors (see below), whose sum is σ = 673189056. Its totient is φ = 667439872.

The previous prime is 670311329. The next prime is 670311353. The reversal of 670311347 is 743113076.

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 670311347 - 26 = 670311283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670311247) 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 7 ways as a sum of consecutive naturals, for example, 450038 + ... + 451524.

It is an arithmetic number, because the mean of its divisors is an integer number (84148632).

Almost surely, 2670311347 is an apocalyptic number.

670311347 is a deficient number, since it is larger than the sum of its proper divisors (2877709).

670311347 is a wasteful number, since it uses less digits than its factorization.

670311347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 670311347 is about 25890.3717045546. The cubic root of 670311347 is about 875.1695331913.

The spelling of 670311347 in words is "six hundred seventy million, three hundred eleven thousand, three hundred forty-seven".

Divisors: 1 353 1277 1487 450781 524911 1898899 670311347