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712557049 is a prime number
BaseRepresentation
bin101010011110001…
…100000111111001
31211122210122111211
4222132030013321
52424403311144
6154412323121
723441430541
oct5236140771
91748718454
10712557049
11336246726
1217a7734a1
13b4817ab9
146a8c6321
1542853034
hex2a78c1f9

712557049 has 2 divisors, whose sum is σ = 712557050. Its totient is φ = 712557048.

The previous prime is 712557007. The next prime is 712557067. The reversal of 712557049 is 940755217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 381499024 + 331058025 = 19532^2 + 18195^2 .

It is a cyclic number.

It is not a de Polignac number, because 712557049 - 211 = 712555001 is a prime.

It is not a weakly prime, because it can be changed into another prime (712557449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356278524 + 356278525.

It is an arithmetic number, because the mean of its divisors is an integer number (356278525).

Almost surely, 2712557049 is an apocalyptic number.

It is an amenable number.

712557049 is a deficient number, since it is larger than the sum of its proper divisors (1).

712557049 is an equidigital number, since it uses as much as digits as its factorization.

712557049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 712557049 is about 26693.7642343675. The cubic root of 712557049 is about 893.1818312391.

The spelling of 712557049 in words is "seven hundred twelve million, five hundred fifty-seven thousand, forty-nine".