Base | Representation |
---|---|
bin | 10000000001110… |
… | …110011111011101 |
3 | 200202000120222112 |
4 | 100001312133131 |
5 | 1022320431142 |
6 | 42403523405 |
7 | 6443534435 |
oct | 2001663735 |
9 | 622016875 |
10 | 268920797 |
11 | 1288871a2 |
12 | 76089565 |
13 | 43938842 |
14 | 27a032c5 |
15 | 18920382 |
hex | 100767dd |
268920797 has 4 divisors (see below), whose sum is σ = 269670240. Its totient is φ = 268171356.
The previous prime is 268920787. The next prime is 268920803. The reversal of 268920797 is 797029862.
It is a happy number.
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 268920797 - 28 = 268920541 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 (268920727) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374183 + ... + 374900.
It is an arithmetic number, because the mean of its divisors is an integer number (67417560).
Almost surely, 2268920797 is an apocalyptic number.
It is an amenable number.
268920797 is a deficient number, since it is larger than the sum of its proper divisors (749443).
268920797 is an equidigital number, since it uses as much as digits as its factorization.
268920797 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 749442.
The product of its (nonzero) digits is 762048, while the sum is 50.
The square root of 268920797 is about 16398.8047430293. The cubic root of 268920797 is about 645.4681191996.
The spelling of 268920797 in words is "two hundred sixty-eight million, nine hundred twenty thousand, seven hundred ninety-seven".
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