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8101493 is a prime number
BaseRepresentation
bin11110111001111001110101
3120020121011022
4132321321311
54033221433
6445350525
7125601341
oct36717165
916217138
108101493
114633854
122868445
1318a86aa
14110c621
15aa0698
hex7b9e75

8101493 has 2 divisors, whose sum is σ = 8101494. Its totient is φ = 8101492.

The previous prime is 8101487. The next prime is 8101517. The reversal of 8101493 is 3941018.

8101493 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4502884 + 3598609 = 2122^2 + 1897^2 .

It is a cyclic number.

It is not a de Polignac number, because 8101493 - 214 = 8085109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8101463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4050746 + 4050747.

It is an arithmetic number, because the mean of its divisors is an integer number (4050747).

Almost surely, 28101493 is an apocalyptic number.

It is an amenable number.

8101493 is a deficient number, since it is larger than the sum of its proper divisors (1).

8101493 is an equidigital number, since it uses as much as digits as its factorization.

8101493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 8101493 is about 2846.3121754298. The cubic root of 8101493 is about 200.8422233209.

The spelling of 8101493 in words is "eight million, one hundred one thousand, four hundred ninety-three".