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201888055 = 579511109
BaseRepresentation
bin11000000100010…
…01000100110111
3112001212222100101
430002021010313
5403140404210
632011054531
75001006625
oct1402110467
9461788311
10201888055
11a3a62536
1257741447
1332a987b5
141cb54515
1512acda3a
hexc089137

201888055 has 8 divisors (see below), whose sum is σ = 245332800. Its totient is φ = 159465696.

The previous prime is 201888041. The next prime is 201888061. The reversal of 201888055 is 550888102.

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 201888055 - 25 = 201888023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255160 + ... + 255949.

It is an arithmetic number, because the mean of its divisors is an integer number (30666600).

Almost surely, 2201888055 is an apocalyptic number.

201888055 is a deficient number, since it is larger than the sum of its proper divisors (43444745).

201888055 is an equidigital number, since it uses as much as digits as its factorization.

201888055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511193.

The product of its (nonzero) digits is 25600, while the sum is 37.

The square root of 201888055 is about 14208.7316464208. The cubic root of 201888055 is about 586.6380224838.

The spelling of 201888055 in words is "two hundred one million, eight hundred eighty-eight thousand, fifty-five".

Divisors: 1 5 79 395 511109 2555545 40377611 201888055