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641113 = 11167349
BaseRepresentation
bin10011100100001011001
31012120102221
42130201121
5131003423
621424041
75310064
oct2344131
91176387
10641113
113a8750
1226b021
13195a75
141298db
15c9e5d
hex9c859

641113 has 8 divisors (see below), whose sum is σ = 705600. Its totient is φ = 577680.

The previous prime is 641101. The next prime is 641129. The reversal of 641113 is 311146.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-641113 is a prime.

It is a super-2 number, since 2×6411132 = 822051757538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641143) 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, 1663 + ... + 2011.

It is an arithmetic number, because the mean of its divisors is an integer number (88200).

2641113 is an apocalyptic number.

It is an amenable number.

641113 is a deficient number, since it is larger than the sum of its proper divisors (64487).

641113 is a wasteful number, since it uses less digits than its factorization.

641113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527.

The product of its digits is 72, while the sum is 16.

The square root of 641113 is about 800.6953228289. The cubic root of 641113 is about 86.2273146248.

Adding to 641113 its reverse (311146), we get a palindrome (952259).

The spelling of 641113 in words is "six hundred forty-one thousand, one hundred thirteen".

Divisors: 1 11 167 349 1837 3839 58283 641113