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670929793 = 899917607
BaseRepresentation
bin100111111111011…
…001001110000001
31201202110202122121
4213333121032001
52333224223133
6150324204241
722424544352
oct4777311601
91652422577
10670929793
113147a4536
12168839681
13a90016a1
146516bd29
153dd7e02d
hex27fd9381

670929793 has 8 divisors (see below), whose sum is σ = 679242240. Its totient is φ = 662634720.

The previous prime is 670929739. The next prime is 670929797. The reversal of 670929793 is 397929076.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-670929793 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 670929793.

It is not an unprimeable number, because it can be changed into a prime (670929797) 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, 84396 + ... + 92002.

It is an arithmetic number, because the mean of its divisors is an integer number (84905280).

Almost surely, 2670929793 is an apocalyptic number.

It is an amenable number.

670929793 is a deficient number, since it is larger than the sum of its proper divisors (8312447).

670929793 is an equidigital number, since it uses as much as digits as its factorization.

670929793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8687.

The product of its (nonzero) digits is 1285956, while the sum is 52.

The square root of 670929793 is about 25902.3125029407. The cubic root of 670929793 is about 875.4386015525.

The spelling of 670929793 in words is "six hundred seventy million, nine hundred twenty-nine thousand, seven hundred ninety-three".

Divisors: 1 89 991 7607 88199 677023 7538537 670929793