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204714140 = 22547217781
BaseRepresentation
bin11000011001110…
…11000010011100
3112021012120000012
430030323002130
5404401323030
632151422352
75034020141
oct1414730234
9467176005
10204714140
11a5612844
12586849b8
1333547c37
141d28c3c8
1512e8b095
hexc33b09c

204714140 has 24 divisors (see below), whose sum is σ = 439048512. Its totient is φ = 80143040.

The previous prime is 204714137. The next prime is 204714163. The reversal of 204714140 is 41417402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107951 + ... + 109830.

It is an arithmetic number, because the mean of its divisors is an integer number (18293688).

Almost surely, 2204714140 is an apocalyptic number.

204714140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204714140 is an abundant number, since it is smaller than the sum of its proper divisors (234334372).

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

204714140 is a wasteful number, since it uses less digits than its factorization.

204714140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217837 (or 217835 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 204714140 is about 14307.8349165763. The cubic root of 204714140 is about 589.3626556267.

The spelling of 204714140 in words is "two hundred four million, seven hundred fourteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 217781 435562 871124 1088905 2177810 4355620 10235707 20471414 40942828 51178535 102357070 204714140