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11506393 is a prime number
BaseRepresentation
bin101011111001…
…001011011001
3210122120210201
4223321023121
510421201033
61050342201
7166542223
oct53711331
923576721
1011506393
116549a18
123a2a961
1324cb422
141757413
15102447d
hexaf92d9

11506393 has 2 divisors, whose sum is σ = 11506394. Its totient is φ = 11506392.

The previous prime is 11506337. The next prime is 11506421. The reversal of 11506393 is 39360511.

It is an a-pointer prime, because the next prime (11506421) can be obtained adding 11506393 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11505664 + 729 = 3392^2 + 27^2 .

It is a cyclic number.

It is not a de Polignac number, because 11506393 - 217 = 11375321 is a prime.

It is not a weakly prime, because it can be changed into another prime (11506993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5753196 + 5753197.

It is an arithmetic number, because the mean of its divisors is an integer number (5753197).

Almost surely, 211506393 is an apocalyptic number.

It is an amenable number.

11506393 is a deficient number, since it is larger than the sum of its proper divisors (1).

11506393 is an equidigital number, since it uses as much as digits as its factorization.

11506393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 11506393 is about 3392.1074570243. The cubic root of 11506393 is about 225.7596905285.

The spelling of 11506393 in words is "eleven million, five hundred six thousand, three hundred ninety-three".