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641310796 = 22756940253
BaseRepresentation
bin100110001110011…
…010000001001100
31122200201222000201
4212032122001030
52303133421141
6143345303244
721615023530
oct4616320114
91580658021
10641310796
112aa004325
1215a934b24
13a2b30c59
146125bbc0
153b47d031
hex2639a04c

641310796 has 24 divisors (see below), whose sum is σ = 1284907680. Its totient is φ = 274357632.

The previous prime is 641310749. The next prime is 641310797. The reversal of 641310796 is 697013146.

It is a super-2 number, since 2×6413107962 = 822559074132307232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641310797) 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, 4195 + ... + 36058.

It is an arithmetic number, because the mean of its divisors is an integer number (53537820).

Almost surely, 2641310796 is an apocalyptic number.

It is an amenable number.

641310796 is an abundant number, since it is smaller than the sum of its proper divisors (643596884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641310796 is a wasteful number, since it uses less digits than its factorization.

641310796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40833 (or 40831 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 641310796 is about 25324.1149104959. The cubic root of 641310796 is about 862.3618132181.

The spelling of 641310796 in words is "six hundred forty-one million, three hundred ten thousand, seven hundred ninety-six".

Divisors: 1 2 4 7 14 28 569 1138 2276 3983 7966 15932 40253 80506 161012 281771 563542 1127084 22903957 45807914 91615828 160327699 320655398 641310796