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385730006 = 2971988299
BaseRepresentation
bin10110111111011…
…100010111010110
3222212211010002112
4112333130113112
51242221330011
6102135311022
712362436164
oct2677342726
9885733075
10385730006
11188809732
12a921b472
1361bb630c
143932c234
1523ce558b
hex16fdc5d6

385730006 has 8 divisors (see below), whose sum is σ = 584560200. Its totient is φ = 190876608.

The previous prime is 385729997. The next prime is 385730011. The reversal of 385730006 is 600037583.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 993956 + ... + 994343.

It is an arithmetic number, because the mean of its divisors is an integer number (73070025).

Almost surely, 2385730006 is an apocalyptic number.

385730006 is a deficient number, since it is larger than the sum of its proper divisors (198830194).

385730006 is a wasteful number, since it uses less digits than its factorization.

385730006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988398.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 385730006 is about 19640.0103360462. The cubic root of 385730006 is about 727.9381400463.

Adding to 385730006 its reverse (600037583), we get a palindrome (985767589).

The spelling of 385730006 in words is "three hundred eighty-five million, seven hundred thirty thousand, six".

Divisors: 1 2 97 194 1988299 3976598 192865003 385730006