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204985254 = 23376115137
BaseRepresentation
bin11000011011111…
…01001110100110
3112021201022220110
430031331032212
5404434012004
632201313450
75036226435
oct1415751646
9467638813
10204985254
11a5788501
1258795886
1333611466
141d31d11c
1512ee1589
hexc37d3a6

204985254 has 32 divisors (see below), whose sum is σ = 427981536. Its totient is φ = 65387520.

The previous prime is 204985247. The next prime is 204985259. The reversal of 204985254 is 452589402.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204985259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5974 + ... + 21110.

It is an arithmetic number, because the mean of its divisors is an integer number (13374423).

Almost surely, 2204985254 is an apocalyptic number.

204985254 is an abundant number, since it is smaller than the sum of its proper divisors (222996282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204985254 is a wasteful number, since it uses less digits than its factorization.

204985254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15240.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 204985254 is about 14317.3061013586. The cubic root of 204985254 is about 589.6227157962.

It can be divided in two parts, 20498 and 5254, that added together give a palindrome (25752).

The spelling of 204985254 in words is "two hundred four million, nine hundred eighty-five thousand, two hundred fifty-four".

Divisors: 1 2 3 6 37 61 74 111 122 183 222 366 2257 4514 6771 13542 15137 30274 45411 90822 560069 923357 1120138 1680207 1846714 2770071 3360414 5540142 34164209 68328418 102492627 204985254