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73228113 = 3272397521
BaseRepresentation
bin1000101110101…
…01111101010001
312002210101002100
410113111331101
5122221244423
611133311013
71546300020
oct427257521
9162711070
1073228113
1138376402
1220635469
131222bc5a
149a228b7
156667343
hex45d5f51

73228113 has 48 divisors (see below), whose sum is σ = 127685376. Its totient is φ = 39536640.

The previous prime is 73228093. The next prime is 73228151. The reversal of 73228113 is 31182237.

It is not a de Polignac number, because 73228113 - 25 = 73228081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73228213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140293 + ... + 140813.

It is an arithmetic number, because the mean of its divisors is an integer number (2660112).

Almost surely, 273228113 is an apocalyptic number.

It is an amenable number.

73228113 is a deficient number, since it is larger than the sum of its proper divisors (54457263).

73228113 is a wasteful number, since it uses less digits than its factorization.

73228113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 651 counting only the distinct ones).

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

The square root of 73228113 is about 8557.3426365899. The cubic root of 73228113 is about 418.3687919165.

The spelling of 73228113 in words is "seventy-three million, two hundred twenty-eight thousand, one hundred thirteen".

Divisors: 1 3 7 9 21 23 63 69 97 161 207 291 483 521 679 873 1449 1563 2037 2231 3647 4689 6111 6693 10941 11983 15617 20079 32823 35949 46851 50537 83881 107847 140553 151611 251643 353759 454833 754929 1061277 1162351 3183831 3487053 8136457 10461159 24409371 73228113