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199295471 = 1711723263
BaseRepresentation
bin10111110000100…
…00000111101111
3111220000020222202
423320100013233
5402004423341
631435332115
74636661234
oct1370200757
9456006882
10199295471
11a2551701
12568b103b
133239b71b
141c67b78b
151276a79b
hexbe101ef

199295471 has 4 divisors (see below), whose sum is σ = 211018752. Its totient is φ = 187572192.

The previous prime is 199295461. The next prime is 199295507. The reversal of 199295471 is 174592991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-199295471 is a prime.

It is a super-3 number, since 3×1992954713 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199295401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5861615 + ... + 5861648.

It is an arithmetic number, because the mean of its divisors is an integer number (52754688).

Almost surely, 2199295471 is an apocalyptic number.

199295471 is a deficient number, since it is larger than the sum of its proper divisors (11723281).

199295471 is a wasteful number, since it uses less digits than its factorization.

199295471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11723280.

The product of its digits is 204120, while the sum is 47.

The square root of 199295471 is about 14117.2047870674. The cubic root of 199295471 is about 584.1160546472.

The spelling of 199295471 in words is "one hundred ninety-nine million, two hundred ninety-five thousand, four hundred seventy-one".

Divisors: 1 17 11723263 199295471