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381797223 = 31181107761
BaseRepresentation
bin10110110000011…
…100001101100111
3222121102022022220
4112300130031213
51240220002343
6101515123423
712314136303
oct2660341547
9877368286
10381797223
111865729a5
12a7a43573
136113a222
14389c6d03
15237ba183
hex16c1c367

381797223 has 8 divisors (see below), whose sum is σ = 509498736. Its totient is φ = 254313600.

The previous prime is 381797219. The next prime is 381797233. The reversal of 381797223 is 322797183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 381797223 - 22 = 381797219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381797233) 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, 50338 + ... + 57423.

It is an arithmetic number, because the mean of its divisors is an integer number (63687342).

Almost surely, 2381797223 is an apocalyptic number.

381797223 is a deficient number, since it is larger than the sum of its proper divisors (127701513).

381797223 is a wasteful number, since it uses less digits than its factorization.

381797223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108945.

The product of its digits is 127008, while the sum is 42.

The square root of 381797223 is about 19539.6321101499. The cubic root of 381797223 is about 725.4557407269.

The spelling of 381797223 in words is "three hundred eighty-one million, seven hundred ninety-seven thousand, two hundred twenty-three".

Divisors: 1 3 1181 3543 107761 323283 127265741 381797223