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73051441 is a prime number
BaseRepresentation
bin1000101101010…
…10110100110001
312002110101201221
410112222310301
5122200121231
611125425041
71544632651
oct426526461
9162411657
1073051441
11382656a1
122056b181
1312199708
1499b8361
15662ed11
hex45aad31

73051441 has 2 divisors, whose sum is σ = 73051442. Its totient is φ = 73051440.

The previous prime is 73051439. The next prime is 73051457. The reversal of 73051441 is 14415037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72590400 + 461041 = 8520^2 + 679^2 .

It is a cyclic number.

It is not a de Polignac number, because 73051441 - 21 = 73051439 is a prime.

Together with 73051439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (73051241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36525720 + 36525721.

It is an arithmetic number, because the mean of its divisors is an integer number (36525721).

Almost surely, 273051441 is an apocalyptic number.

It is an amenable number.

73051441 is a deficient number, since it is larger than the sum of its proper divisors (1).

73051441 is an equidigital number, since it uses as much as digits as its factorization.

73051441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 73051441 is about 8547.0135720028. The cubic root of 73051441 is about 418.0320652584.

Adding to 73051441 its reverse (14415037), we get a palindrome (87466478).

The spelling of 73051441 in words is "seventy-three million, fifty-one thousand, four hundred forty-one".