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207216941 is a prime number
BaseRepresentation
bin11000101100111…
…10000100101101
3112102220201012112
430112132010231
5411021420231
632321213405
75064213011
oct1426360455
9472821175
10207216941
11a6a72178
1259491265
1333c13199
141d740541
15132d292b
hexc59e12d

207216941 has 2 divisors, whose sum is σ = 207216942. Its totient is φ = 207216940.

The previous prime is 207216931. The next prime is 207216943. The reversal of 207216941 is 149612702.

It is a happy number.

207216941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116014441 + 91202500 = 10771^2 + 9550^2 .

It is a cyclic number.

It is not a de Polignac number, because 207216941 - 214 = 207200557 is a prime.

It is a Sophie Germain prime.

Together with 207216943, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 207216898 and 207216907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207216943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103608470 + 103608471.

It is an arithmetic number, because the mean of its divisors is an integer number (103608471).

Almost surely, 2207216941 is an apocalyptic number.

It is an amenable number.

207216941 is a deficient number, since it is larger than the sum of its proper divisors (1).

207216941 is an equidigital number, since it uses as much as digits as its factorization.

207216941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 207216941 is about 14395.0318165678. The cubic root of 207216941 is about 591.7547500768.

The spelling of 207216941 in words is "two hundred seven million, two hundred sixteen thousand, nine hundred forty-one".