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641423103 = 32318315077
BaseRepresentation
bin100110001110110…
…101011011111111
31122200221200002020
4212032311123333
52303201014403
6143351531223
721616002126
oct4616653377
91580850066
10641423103
112aa080742
1215a989b13
13a2b700c9
146128aabd
153b4a1453
hex263b56ff

641423103 has 16 divisors (see below), whose sum is σ = 893078016. Its totient is φ = 408719520.

The previous prime is 641423063. The next prime is 641423117. The reversal of 641423103 is 301324146.

It is not a de Polignac number, because 641423103 - 224 = 624645887 is a prime.

It is a super-2 number, since 2×6414231032 = 822847194124297218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641423203) 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, 123801 + ... + 128877.

It is an arithmetic number, because the mean of its divisors is an integer number (55817376).

Almost surely, 2641423103 is an apocalyptic number.

641423103 is a deficient number, since it is larger than the sum of its proper divisors (251654913).

641423103 is a wasteful number, since it uses less digits than its factorization.

641423103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6934.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 641423103 is about 25326.3322058288. The cubic root of 641423103 is about 862.4121495063.

Adding to 641423103 its reverse (301324146), we get a palindrome (942747249).

The spelling of 641423103 in words is "six hundred forty-one million, four hundred twenty-three thousand, one hundred three".

Divisors: 1 3 23 69 1831 5077 5493 15231 42113 116771 126339 350313 9295987 27887961 213807701 641423103