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8193137 is a prime number
BaseRepresentation
bin11111010000010001110001
3120102020212112
4133100101301
54044140022
6451335105
7126432461
oct37202161
916366775
108193137
114696697
1228b1495
13190b314
141133ba1
15abc8e2
hex7d0471

8193137 has 2 divisors, whose sum is σ = 8193138. Its totient is φ = 8193136.

The previous prime is 8193131. The next prime is 8193139. The reversal of 8193137 is 7313918.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5424241 + 2768896 = 2329^2 + 1664^2 .

It is a cyclic number.

It is not a de Polignac number, because 8193137 - 28 = 8192881 is a prime.

Together with 8193139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8193131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4096568 + 4096569.

It is an arithmetic number, because the mean of its divisors is an integer number (4096569).

Almost surely, 28193137 is an apocalyptic number.

It is an amenable number.

8193137 is a deficient number, since it is larger than the sum of its proper divisors (1).

8193137 is an equidigital number, since it uses as much as digits as its factorization.

8193137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 32.

The square root of 8193137 is about 2862.3656300340. The cubic root of 8193137 is about 201.5966939204.

The spelling of 8193137 in words is "eight million, one hundred ninety-three thousand, one hundred thirty-seven".