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4172117 is a prime number
BaseRepresentation
bin1111111010100101010101
321211222001212
433322211111
52032001432
6225231205
750314415
oct17724525
97758055
104172117
11239a634
121492505
13b31011
147a8645
155762b2
hex3fa955

4172117 has 2 divisors, whose sum is σ = 4172118. Its totient is φ = 4172116.

The previous prime is 4172111. The next prime is 4172141. The reversal of 4172117 is 7112714.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2937796 + 1234321 = 1714^2 + 1111^2 .

It is a cyclic number.

It is not a de Polignac number, because 4172117 - 24 = 4172101 is a prime.

It is a nialpdrome in base 4.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 4172092 and 4172101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4172111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2086058 + 2086059.

It is an arithmetic number, because the mean of its divisors is an integer number (2086059).

Almost surely, 24172117 is an apocalyptic number.

It is an amenable number.

4172117 is a deficient number, since it is larger than the sum of its proper divisors (1).

4172117 is an equidigital number, since it uses as much as digits as its factorization.

4172117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 392, while the sum is 23.

The square root of 4172117 is about 2042.5760695749. The cubic root of 4172117 is about 160.9850300498.

The spelling of 4172117 in words is "four million, one hundred seventy-two thousand, one hundred seventeen".