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641103 = 3297369
BaseRepresentation
bin10011100100001001111
31012120102120
42130201033
5131003403
621424023
75310051
oct2344117
91176376
10641103
113a8741
1226b013
13195a68
141298d1
15c9e53
hex9c84f

641103 has 8 divisors (see below), whose sum is σ = 884400. Its totient is φ = 412608.

The previous prime is 641101. The next prime is 641129. The reversal of 641103 is 301146.

641103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 641103 - 21 = 641101 is a prime.

It is a super-2 number, since 2×6411032 = 822026113218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641101) 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, 3598 + ... + 3771.

It is an arithmetic number, because the mean of its divisors is an integer number (110550).

2641103 is an apocalyptic number.

641103 is a deficient number, since it is larger than the sum of its proper divisors (243297).

641103 is a wasteful number, since it uses less digits than its factorization.

641103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7401.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 641103 is about 800.6890782320. The cubic root of 641103 is about 86.2268663015.

Adding to 641103 its reverse (301146), we get a palindrome (942249).

The spelling of 641103 in words is "six hundred forty-one thousand, one hundred three".

Divisors: 1 3 29 87 7369 22107 213701 641103