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17420141 is a prime number
BaseRepresentation
bin100001001110…
…0111101101101
31012210000221102
41002130331231
513424421031
61421212445
7301032404
oct102347555
935700842
1017420141
119919012
125a01125
1337bc09b
14245663b
1517e17cb
hex109cf6d

17420141 has 2 divisors, whose sum is σ = 17420142. Its totient is φ = 17420140.

The previous prime is 17420113. The next prime is 17420147. The reversal of 17420141 is 14102471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11417641 + 6002500 = 3379^2 + 2450^2 .

It is an emirp because it is prime and its reverse (14102471) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17420141 - 26 = 17420077 is a prime.

It is a super-2 number, since 2×174201412 = 606922624919762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17420147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8710070 + 8710071.

It is an arithmetic number, because the mean of its divisors is an integer number (8710071).

Almost surely, 217420141 is an apocalyptic number.

It is an amenable number.

17420141 is a deficient number, since it is larger than the sum of its proper divisors (1).

17420141 is an equidigital number, since it uses as much as digits as its factorization.

17420141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 17420141 is about 4173.7442422841. The cubic root of 17420141 is about 259.2291815203.

The spelling of 17420141 in words is "seventeen million, four hundred twenty thousand, one hundred forty-one".