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200005255 = 5174354721
BaseRepresentation
bin10111110101111…
…01011010000111
3111221100022122001
423322331122013
5402200132010
631502450131
74646005462
oct1372753207
9457308561
10200005255
11a29969aa
1256b93947
1332589808
141c7c42d9
151285ac3a
hexbebd687

200005255 has 16 divisors (see below), whose sum is σ = 260038944. Its totient is φ = 147087360.

The previous prime is 200005249. The next prime is 200005277. The reversal of 200005255 is 552500002.

It is a de Polignac number, because none of the positive numbers 2k-200005255 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 15 ways as a sum of consecutive naturals, for example, 23706 + ... + 31015.

It is an arithmetic number, because the mean of its divisors is an integer number (16252434).

Almost surely, 2200005255 is an apocalyptic number.

200005255 is a deficient number, since it is larger than the sum of its proper divisors (60033689).

200005255 is a wasteful number, since it uses less digits than its factorization.

200005255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54786.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 200005255 is about 14142.3214148173. The cubic root of 200005255 is about 584.8086695021.

Adding to 200005255 its reverse (552500002), we get a palindrome (752505257).

The spelling of 200005255 in words is "two hundred million, five thousand, two hundred fifty-five".

Divisors: 1 5 17 43 85 215 731 3655 54721 273605 930257 2353003 4651285 11765015 40001051 200005255