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71796493 is a prime number
BaseRepresentation
bin1000100011110…
…00011100001101
312000002122021101
410101320130031
5121334441433
611042503101
71531155136
oct421703415
9160078241
1071796493
113758884a
1220064a91
1311b4a442
14976cc8d
15648307d
hex447870d

71796493 has 2 divisors, whose sum is σ = 71796494. Its totient is φ = 71796492.

The previous prime is 71796481. The next prime is 71796499. The reversal of 71796493 is 39469717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67947049 + 3849444 = 8243^2 + 1962^2 .

It is a cyclic number.

It is not a de Polignac number, because 71796493 - 221 = 69699341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71796499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35898246 + 35898247.

It is an arithmetic number, because the mean of its divisors is an integer number (35898247).

Almost surely, 271796493 is an apocalyptic number.

It is an amenable number.

71796493 is a deficient number, since it is larger than the sum of its proper divisors (1).

71796493 is an equidigital number, since it uses as much as digits as its factorization.

71796493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 46.

The square root of 71796493 is about 8473.2811236262. The cubic root of 71796493 is about 415.6244395417.

The spelling of 71796493 in words is "seventy-one million, seven hundred ninety-six thousand, four hundred ninety-three".