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11720053 is a prime number
BaseRepresentation
bin101100101101…
…010101110101
3211001102220001
4230231111311
511000020203
61055111301
7201422152
oct54552565
924042801
1011720053
1166854a4
123b12531
132574757
1417b1229
15106791d
hexb2d575

11720053 has 2 divisors, whose sum is σ = 11720054. Its totient is φ = 11720052.

The previous prime is 11720047. The next prime is 11720057. The reversal of 11720053 is 35002711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10284849 + 1435204 = 3207^2 + 1198^2 .

It is a cyclic number.

It is not a de Polignac number, because 11720053 - 29 = 11719541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11720053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11720057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5860026 + 5860027.

It is an arithmetic number, because the mean of its divisors is an integer number (5860027).

Almost surely, 211720053 is an apocalyptic number.

It is an amenable number.

11720053 is a deficient number, since it is larger than the sum of its proper divisors (1).

11720053 is an equidigital number, since it uses as much as digits as its factorization.

11720053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 11720053 is about 3423.4562944486. The cubic root of 11720053 is about 227.1484923098.

Adding to 11720053 its reverse (35002711), we get a palindrome (46722764).

The spelling of 11720053 in words is "eleven million, seven hundred twenty thousand, fifty-three".