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199407307 = 11178910133
BaseRepresentation
bin10111110001010…
…11011011001011
3111220012221101211
423320223123023
5402022013212
631441553551
74640635261
oct1370533313
9456187354
10199407307
11a2618730
12569458b7
133240a5b8
141c6aa431
151278d9a7
hexbe2b6cb

199407307 has 8 divisors (see below), whose sum is σ = 217678320. Its totient is φ = 181160160.

The previous prime is 199407227. The next prime is 199407317. The reversal of 199407307 is 703704991.

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 199407307 - 27 = 199407179 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 199407307.

It is not an unprimeable number, because it can be changed into a prime (199407317) 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, 14613 + ... + 24745.

It is an arithmetic number, because the mean of its divisors is an integer number (27209790).

Almost surely, 2199407307 is an apocalyptic number.

199407307 is a deficient number, since it is larger than the sum of its proper divisors (18271013).

199407307 is a wasteful number, since it uses less digits than its factorization.

199407307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11933.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 199407307 is about 14121.1652139616. The cubic root of 199407307 is about 584.2252944397.

The spelling of 199407307 in words is "one hundred ninety-nine million, four hundred seven thousand, three hundred seven".

Divisors: 1 11 1789 10133 19679 111463 18127937 199407307