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73800053 is a prime number
BaseRepresentation
bin1000110011000…
…01100101110101
312010212102122022
410121201211311
5122343100203
611153442525
71554201335
oct431414565
9163772568
1073800053
1138727088
1220870445
131239c392
149b310c5
15672ba38
hex4661975

73800053 has 2 divisors, whose sum is σ = 73800054. Its totient is φ = 73800052.

The previous prime is 73799981. The next prime is 73800109. The reversal of 73800053 is 35000837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45995524 + 27804529 = 6782^2 + 5273^2 .

It is a cyclic number.

It is not a de Polignac number, because 73800053 - 212 = 73795957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 73799995 and 73800031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73820053) 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, 36900026 + 36900027.

It is an arithmetic number, because the mean of its divisors is an integer number (36900027).

Almost surely, 273800053 is an apocalyptic number.

It is an amenable number.

73800053 is a deficient number, since it is larger than the sum of its proper divisors (1).

73800053 is an equidigital number, since it uses as much as digits as its factorization.

73800053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 73800053 is about 8590.6957226991. The cubic root of 73800053 is about 419.4551760241.

The spelling of 73800053 in words is "seventy-three million, eight hundred thousand, fifty-three".