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17220053 is a prime number
BaseRepresentation
bin100000110110…
…0000111010101
31012101212110202
41001230013111
513402020203
61413030245
7266240144
oct101540725
935355422
1017220053
1197a1754
125925385
13374bca6
14240375b
1517a2388
hex106c1d5

17220053 has 2 divisors, whose sum is σ = 17220054. Its totient is φ = 17220052.

The previous prime is 17220037. The next prime is 17220083. The reversal of 17220053 is 35002271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9591409 + 7628644 = 3097^2 + 2762^2 .

It is a cyclic number.

It is not a de Polignac number, because 17220053 - 24 = 17220037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17220013) 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, 8610026 + 8610027.

It is an arithmetic number, because the mean of its divisors is an integer number (8610027).

Almost surely, 217220053 is an apocalyptic number.

It is an amenable number.

17220053 is a deficient number, since it is larger than the sum of its proper divisors (1).

17220053 is an equidigital number, since it uses as much as digits as its factorization.

17220053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 17220053 is about 4149.7051702501. The cubic root of 17220053 is about 258.2328536969.

The spelling of 17220053 in words is "seventeen million, two hundred twenty thousand, fifty-three".