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73245461 is a prime number
BaseRepresentation
bin1000101110110…
…10001100010101
312002211020212212
410113122030111
5122222323321
611133523205
71546401422
oct427321425
9162736785
1073245461
1138388443
1220643505
1312236b13
149a28d49
15666c55b
hex45da315

73245461 has 2 divisors, whose sum is σ = 73245462. Its totient is φ = 73245460.

The previous prime is 73245439. The next prime is 73245479. The reversal of 73245461 is 16454237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60357361 + 12888100 = 7769^2 + 3590^2 .

It is an emirp because it is prime and its reverse (16454237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73245461 - 214 = 73229077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73245661) 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, 36622730 + 36622731.

It is an arithmetic number, because the mean of its divisors is an integer number (36622731).

Almost surely, 273245461 is an apocalyptic number.

It is an amenable number.

73245461 is a deficient number, since it is larger than the sum of its proper divisors (1).

73245461 is an equidigital number, since it uses as much as digits as its factorization.

73245461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 73245461 is about 8558.3562089925. The cubic root of 73245461 is about 418.4018269921.

Adding to 73245461 its reverse (16454237), we get a palindrome (89699698).

The spelling of 73245461 in words is "seventy-three million, two hundred forty-five thousand, four hundred sixty-one".