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472112761 is a prime number
BaseRepresentation
bin11100001000111…
…101111001111001
31012220100210221211
4130020331321321
51431330102021
6114503003121
714461615021
oct3410757171
91186323854
10472112761
1122254a33a
121121394a1
1376a6c983
14469b6a81
152b6aa3e1
hex1c23de79

472112761 has 2 divisors, whose sum is σ = 472112762. Its totient is φ = 472112760.

The previous prime is 472112759. The next prime is 472112777. The reversal of 472112761 is 167211274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471541225 + 571536 = 21715^2 + 756^2 .

It is a cyclic number.

It is not a de Polignac number, because 472112761 - 21 = 472112759 is a prime.

Together with 472112759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (472112731) 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, 236056380 + 236056381.

It is an arithmetic number, because the mean of its divisors is an integer number (236056381).

Almost surely, 2472112761 is an apocalyptic number.

It is an amenable number.

472112761 is a deficient number, since it is larger than the sum of its proper divisors (1).

472112761 is an equidigital number, since it uses as much as digits as its factorization.

472112761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 31.

The square root of 472112761 is about 21728.1559502872. The cubic root of 472112761 is about 778.6612808040.

The spelling of 472112761 in words is "four hundred seventy-two million, one hundred twelve thousand, seven hundred sixty-one".