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268920797 = 359749083
BaseRepresentation
bin10000000001110…
…110011111011101
3200202000120222112
4100001312133131
51022320431142
642403523405
76443534435
oct2001663735
9622016875
10268920797
111288871a2
1276089565
1343938842
1427a032c5
1518920382
hex100767dd

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".

Divisors: 1 359 749083 268920797