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641364117 = 3172739751
BaseRepresentation
bin100110001110100…
…111000010010101
31122200211200011120
4212032213002111
52303142122432
6143350354153
721615335142
oct4616470225
91580750146
10641364117
112aa040399
1215a95b959
13a2b4c2c4
14612733c9
153b48dc2c
hex263a7095

641364117 has 12 divisors (see below), whose sum is σ = 908415456. Its totient is φ = 402424000.

The previous prime is 641364103. The next prime is 641364127. The reversal of 641364117 is 711463146.

It is not a de Polignac number, because 641364117 - 215 = 641331349 is a prime.

It is a super-2 number, since 2×6413641172 = 822695861150379378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641364127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369009 + ... + 370742.

It is an arithmetic number, because the mean of its divisors is an integer number (75701288).

Almost surely, 2641364117 is an apocalyptic number.

It is an amenable number.

641364117 is a deficient number, since it is larger than the sum of its proper divisors (267051339).

641364117 is a wasteful number, since it uses less digits than its factorization.

641364117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739788 (or 739771 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 641364117 is about 25325.1676598596. The cubic root of 641364117 is about 862.3857125610.

The spelling of 641364117 in words is "six hundred forty-one million, three hundred sixty-four thousand, one hundred seventeen".

Divisors: 1 3 17 51 289 867 739751 2219253 12575767 37727301 213788039 641364117