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73233217 is a prime number
BaseRepresentation
bin1000101110101…
…11001101000001
312002210122002101
410113113031001
5122221430332
611133350401
71546320631
oct427271501
9162718071
1073233217
113837a222
1220638401
1312231385
149a246c1
156668ae7
hex45d7341

73233217 has 2 divisors, whose sum is σ = 73233218. Its totient is φ = 73233216.

The previous prime is 73233203. The next prime is 73233233. The reversal of 73233217 is 71233237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52403121 + 20830096 = 7239^2 + 4564^2 .

It is a cyclic number.

It is not a de Polignac number, because 73233217 - 219 = 72708929 is a prime.

It is not a weakly prime, because it can be changed into another prime (73233287) 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, 36616608 + 36616609.

It is an arithmetic number, because the mean of its divisors is an integer number (36616609).

Almost surely, 273233217 is an apocalyptic number.

It is an amenable number.

73233217 is a deficient number, since it is larger than the sum of its proper divisors (1).

73233217 is an equidigital number, since it uses as much as digits as its factorization.

73233217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 28.

The square root of 73233217 is about 8557.6408548151. The cubic root of 73233217 is about 418.3785117933.

The spelling of 73233217 in words is "seventy-three million, two hundred thirty-three thousand, two hundred seventeen".