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797808797 = 23591015821
BaseRepresentation
bin101111100011011…
…001100010011101
32001121012212220222
4233203121202131
53113214340142
6211055451125
725525156112
oct5743314235
92047185828
10797808797
1137a384615
121a3226aa5
13c9396716
1477d58909
154a092bd2
hex2f8d989d

797808797 has 16 divisors (see below), whose sum is σ = 855135360. Its totient is φ = 742632000.

The previous prime is 797808779. The next prime is 797808829.

797808797 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-797808797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797808707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134147 + ... + 139967.

It is an arithmetic number, because the mean of its divisors is an integer number (53445960).

Almost surely, 2797808797 is an apocalyptic number.

It is an amenable number.

797808797 is a deficient number, since it is larger than the sum of its proper divisors (57326563).

797808797 is a wasteful number, since it uses less digits than its factorization.

797808797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6004.

The product of its (nonzero) digits is 12446784, while the sum is 62.

The square root of 797808797 is about 28245.5093244926. The cubic root of 797808797 is about 927.4694364425.

The spelling of 797808797 in words is "seven hundred ninety-seven million, eight hundred eight thousand, seven hundred ninety-seven".

Divisors: 1 23 59 101 1357 2323 5821 5959 133883 137057 343439 587921 7899097 13522183 34687339 797808797