Base | Representation |
---|---|
bin | 101111100011011… |
… | …101101101010101 |
3 | 2001121020202100120 |
4 | 233203131231111 |
5 | 3113220412002 |
6 | 211100102153 |
7 | 25525256652 |
oct | 5743355525 |
9 | 2047222316 |
10 | 797825877 |
11 | 37a396432 |
12 | 1a3234959 |
13 | c93a1424 |
14 | 77d60c29 |
15 | 4a097cbc |
hex | 2f8ddb55 |
797825877 has 4 divisors (see below), whose sum is σ = 1063767840. Its totient is φ = 531883916.
The previous prime is 797825849. The next prime is 797825891. The reversal of 797825877 is 778528797.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 797825877 - 26 = 797825813 is a prime.
It is a super-2 number, since 2×7978258772 = 1273052260021638258, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 797825877.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (797823877) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132970977 + ... + 132970982.
It is an arithmetic number, because the mean of its divisors is an integer number (265941960).
Almost surely, 2797825877 is an apocalyptic number.
It is an amenable number.
797825877 is a deficient number, since it is larger than the sum of its proper divisors (265941963).
797825877 is a wasteful number, since it uses less digits than its factorization.
797825877 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 265941962.
The product of its digits is 13829760, while the sum is 60.
The square root of 797825877 is about 28245.8116718214. The cubic root of 797825877 is about 927.4760550145.
The spelling of 797825877 in words is "seven hundred ninety-seven million, eight hundred twenty-five thousand, eight hundred seventy-seven".
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