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207171053 is a prime number
BaseRepresentation
bin11000101100100…
…10110111101101
3112102211101020222
430112102313231
5411013433203
632320221125
75063632145
oct1426226755
9472741228
10207171053
11a6a40751
125946a7a5
1333bc832b
141d72b925
15132c4038
hexc592ded

207171053 has 2 divisors, whose sum is σ = 207171054. Its totient is φ = 207171052.

The previous prime is 207171037. The next prime is 207171059. The reversal of 207171053 is 350171702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125395204 + 81775849 = 11198^2 + 9043^2 .

It is a cyclic number.

It is not a de Polignac number, because 207171053 - 24 = 207171037 is a prime.

It is a super-2 number, since 2×2071710532 = 85839690402257618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207171059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103585526 + 103585527.

It is an arithmetic number, because the mean of its divisors is an integer number (103585527).

Almost surely, 2207171053 is an apocalyptic number.

It is an amenable number.

207171053 is a deficient number, since it is larger than the sum of its proper divisors (1).

207171053 is an equidigital number, since it uses as much as digits as its factorization.

207171053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 207171053 is about 14393.4378450737. The cubic root of 207171053 is about 591.7110656713.

The spelling of 207171053 in words is "two hundred seven million, one hundred seventy-one thousand, fifty-three".