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207098149 is a prime number
BaseRepresentation
bin11000101100000…
…01000100100101
3112102200200020211
430112001010211
5411004120044
632314455421
75063206456
oct1426010445
9472620224
10207098149
11a69a09a5
1259434571
1333ba10ab
141d70d12d
15132ac634
hexc581125

207098149 has 2 divisors, whose sum is σ = 207098150. Its totient is φ = 207098148.

The previous prime is 207098137. The next prime is 207098159. The reversal of 207098149 is 941890702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165945924 + 41152225 = 12882^2 + 6415^2 .

It is a cyclic number.

It is not a de Polignac number, because 207098149 - 29 = 207097637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207098159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103549074 + 103549075.

It is an arithmetic number, because the mean of its divisors is an integer number (103549075).

Almost surely, 2207098149 is an apocalyptic number.

It is an amenable number.

207098149 is a deficient number, since it is larger than the sum of its proper divisors (1).

207098149 is an equidigital number, since it uses as much as digits as its factorization.

207098149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 207098149 is about 14390.9050792506. The cubic root of 207098149 is about 591.6416493379.

The spelling of 207098149 in words is "two hundred seven million, ninety-eight thousand, one hundred forty-nine".