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204986067 = 31113477823
BaseRepresentation
bin11000011011111…
…01011011010011
3112021201101000120
430031331123103
5404434023232
632201321323
75036232006
oct1415753323
9467641016
10204986067
11a5789080
1258796243
1333611940
141d31d53d
1512ee192c
hexc37d6d3

204986067 has 16 divisors (see below), whose sum is σ = 321097728. Its totient is φ = 114677280.

The previous prime is 204986063. The next prime is 204986071. The reversal of 204986067 is 760689402.

It is an interprime number because it is at equal distance from previous prime (204986063) and next prime (204986071).

It is not a de Polignac number, because 204986067 - 22 = 204986063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204986063) 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 15 ways as a sum of consecutive naturals, for example, 238483 + ... + 239340.

It is an arithmetic number, because the mean of its divisors is an integer number (20068608).

Almost surely, 2204986067 is an apocalyptic number.

204986067 is a deficient number, since it is larger than the sum of its proper divisors (116111661).

204986067 is a wasteful number, since it uses less digits than its factorization.

204986067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477850.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 204986067 is about 14317.3344935431. The cubic root of 204986067 is about 589.6234953037.

It can be divided in two parts, 20498 and 6067, that added together give a triangular number (26565 = T230).

The spelling of 204986067 in words is "two hundred four million, nine hundred eighty-six thousand, sixty-seven".

Divisors: 1 3 11 13 33 39 143 429 477823 1433469 5256053 6211699 15768159 18635097 68328689 204986067