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797797842 = 23155385619
BaseRepresentation
bin101111100011010…
…110110111010010
32001121012022220020
4233203112313102
53113214012332
6211055324310
725525112142
oct5743266722
92047168806
10797797842
1137a377366
121a3220696
13c939173a
1477d54922
154a08e82c
hex2f8d6dd2

797797842 has 16 divisors (see below), whose sum is σ = 1596641760. Its totient is φ = 265758272.

The previous prime is 797797837. The next prime is 797797843. The reversal of 797797842 is 248797797.

It is not an unprimeable number, because it can be changed into a prime (797797843) 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, 33492 + ... + 52127.

It is an arithmetic number, because the mean of its divisors is an integer number (99790110).

Almost surely, 2797797842 is an apocalyptic number.

797797842 is an abundant number, since it is smaller than the sum of its proper divisors (798843918).

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

797797842 is a wasteful number, since it uses less digits than its factorization.

797797842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87177.

The product of its digits is 12446784, while the sum is 60.

The square root of 797797842 is about 28245.3153991950. The cubic root of 797797842 is about 927.4651912840.

The spelling of 797797842 in words is "seven hundred ninety-seven million, seven hundred ninety-seven thousand, eight hundred forty-two".

Divisors: 1 2 3 6 1553 3106 4659 9318 85619 171238 256857 513714 132966307 265932614 398898921 797797842