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641684230 = 25115833493
BaseRepresentation
bin100110001111110…
…101001100000110
31122201102221021121
4212033311030012
52303232343410
6143401304154
721621140335
oct4617651406
91581387247
10641684230
112aa239950
1215aa9505a
13a2c31c15
1461317d1c
153b5039da
hex263f5306

641684230 has 16 divisors (see below), whose sum is σ = 1260034704. Its totient is φ = 233339680.

The previous prime is 641684203. The next prime is 641684231. The reversal of 641684230 is 32486146.

641684230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641684231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2916637 + ... + 2916856.

It is an arithmetic number, because the mean of its divisors is an integer number (78752169).

Almost surely, 2641684230 is an apocalyptic number.

641684230 is a deficient number, since it is larger than the sum of its proper divisors (618350474).

641684230 is a wasteful number, since it uses less digits than its factorization.

641684230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833511.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 641684230 is about 25331.4869283270. The cubic root of 641684230 is about 862.5291645953.

The spelling of 641684230 in words is "six hundred forty-one million, six hundred eighty-four thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 5833493 11666986 29167465 58334930 64168423 128336846 320842115 641684230