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794351993 is a prime number
BaseRepresentation
bin101111010110001…
…101100101111001
32001100201021002012
4233112031211321
53111323230433
6210453415305
725453611011
oct5726154571
92040637065
10794351993
11378433456
121a203a535
13c8756186
14776d8c41
1549b0d848
hex2f58d979

794351993 has 2 divisors, whose sum is σ = 794351994. Its totient is φ = 794351992.

The previous prime is 794351983. The next prime is 794352043. The reversal of 794351993 is 399153497.

It is an a-pointer prime, because the next prime (794352043) can be obtained adding 794351993 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 584333929 + 210018064 = 24173^2 + 14492^2 .

It is an emirp because it is prime and its reverse (399153497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 794351993 - 210 = 794350969 is a prime.

It is not a weakly prime, because it can be changed into another prime (794351983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397175996 + 397175997.

It is an arithmetic number, because the mean of its divisors is an integer number (397175997).

Almost surely, 2794351993 is an apocalyptic number.

It is an amenable number.

794351993 is a deficient number, since it is larger than the sum of its proper divisors (1).

794351993 is an equidigital number, since it uses as much as digits as its factorization.

794351993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 918540, while the sum is 50.

The square root of 794351993 is about 28184.2507972094. The cubic root of 794351993 is about 926.1279614087.

The spelling of 794351993 in words is "seven hundred ninety-four million, three hundred fifty-one thousand, nine hundred ninety-three".