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73280601 = 328142289
BaseRepresentation
bin1000101111000…
…10110001011001
312002220001002100
410113202301121
5122224434401
611134354013
71546606032
oct427426131
9162801070
1073280601
1138401889
122065b909
1312249b04
149a37a89
156677b86
hex45e2c59

73280601 has 6 divisors (see below), whose sum is σ = 105849770. Its totient is φ = 48853728.

The previous prime is 73280579. The next prime is 73280611. The reversal of 73280601 is 10608237.

It can be written as a sum of positive squares in only one way, i.e., 49280400 + 24000201 = 7020^2 + 4899^2 .

It is not a de Polignac number, because 73280601 - 215 = 73247833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73280611) 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 in 5 ways as a sum of consecutive naturals, for example, 4071136 + ... + 4071153.

Almost surely, 273280601 is an apocalyptic number.

It is an amenable number.

73280601 is a deficient number, since it is larger than the sum of its proper divisors (32569169).

73280601 is a wasteful number, since it uses less digits than its factorization.

73280601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8142295 (or 8142292 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 73280601 is about 8560.4089271483. The cubic root of 73280601 is about 418.4687266534.

Adding to 73280601 its reverse (10608237), we get a palindrome (83888838).

The spelling of 73280601 in words is "seventy-three million, two hundred eighty thousand, six hundred one".

Divisors: 1 3 9 8142289 24426867 73280601