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73249901 is a prime number
BaseRepresentation
bin1000101110110…
…11010001101101
312002211110222022
410113123101231
5122222444101
611133555525
71546420364
oct427332155
9162743868
1073249901
113839080a
1220645ba5
1312238b4a
149a2a7db
15666da1b
hex45db46d

73249901 has 2 divisors, whose sum is σ = 73249902. Its totient is φ = 73249900.

The previous prime is 73249873. The next prime is 73249933. The reversal of 73249901 is 10994237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62425801 + 10824100 = 7901^2 + 3290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-73249901 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 (73249951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36624950 + 36624951.

It is an arithmetic number, because the mean of its divisors is an integer number (36624951).

Almost surely, 273249901 is an apocalyptic number.

It is an amenable number.

73249901 is a deficient number, since it is larger than the sum of its proper divisors (1).

73249901 is an equidigital number, since it uses as much as digits as its factorization.

73249901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 73249901 is about 8558.6156006681. The cubic root of 73249901 is about 418.4102810612.

The spelling of 73249901 in words is "seventy-three million, two hundred forty-nine thousand, nine hundred one".