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199752055 = 5227175993
BaseRepresentation
bin10111110011111…
…11100101110111
3111220212110022021
423321333211313
5402114031210
631453214011
74643602336
oct1371774567
9456773267
10199752055
11a2833748
1256a91307
13324cb4a9
141c759d1d
151280abda
hexbe7f977

199752055 has 8 divisors (see below), whose sum is σ = 240759792. Its totient is φ = 159096768.

The previous prime is 199752037. The next prime is 199752061. The reversal of 199752055 is 550257991.

It is a happy number.

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 199752055 - 215 = 199719287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86862 + ... + 89131.

It is an arithmetic number, because the mean of its divisors is an integer number (30094974).

Almost surely, 2199752055 is an apocalyptic number.

199752055 is a deficient number, since it is larger than the sum of its proper divisors (41007737).

199752055 is a wasteful number, since it uses less digits than its factorization.

199752055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176225.

The product of its (nonzero) digits is 141750, while the sum is 43.

The square root of 199752055 is about 14133.3667255895. The cubic root of 199752055 is about 584.5617825149.

The spelling of 199752055 in words is "one hundred ninety-nine million, seven hundred fifty-two thousand, fifty-five".

Divisors: 1 5 227 1135 175993 879965 39950411 199752055