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712775149 is a prime number
BaseRepresentation
bin101010011111000…
…001010111101101
31211200012201200121
4222133001113231
52424432301044
6154421124541
723443326442
oct5237012755
91750181617
10712775149
11336385579
1217a859751
13b4893158
146a9419c9
1542897984
hex2a7c15ed

712775149 has 2 divisors, whose sum is σ = 712775150. Its totient is φ = 712775148.

The previous prime is 712775143. The next prime is 712775153. The reversal of 712775149 is 941577217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 671172649 + 41602500 = 25907^2 + 6450^2 .

It is a cyclic number.

It is not a de Polignac number, because 712775149 - 211 = 712773101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712775143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356387574 + 356387575.

It is an arithmetic number, because the mean of its divisors is an integer number (356387575).

Almost surely, 2712775149 is an apocalyptic number.

It is an amenable number.

712775149 is a deficient number, since it is larger than the sum of its proper divisors (1).

712775149 is an equidigital number, since it uses as much as digits as its factorization.

712775149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123480, while the sum is 43.

The square root of 712775149 is about 26697.8491455773. The cubic root of 712775149 is about 893.2729505330.

The spelling of 712775149 in words is "seven hundred twelve million, seven hundred seventy-five thousand, one hundred forty-nine".