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73085247 = 344159373
BaseRepresentation
bin1000101101100…
…11000100111111
312002112010010000
410112303010333
5122202211442
611130245343
71545133344
oct426630477
9162463100
1073085247
1138289034
1220586853
13121abc11
1499c67cb
156639d4c
hex45b313f

73085247 has 40 divisors (see below), whose sum is σ = 114040080. Its totient is φ = 46604160.

The previous prime is 73085239. The next prime is 73085269. The reversal of 73085247 is 74258037.

It is not a de Polignac number, because 73085247 - 23 = 73085239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73085297) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 195753 + ... + 196125.

It is an arithmetic number, because the mean of its divisors is an integer number (2851002).

Almost surely, 273085247 is an apocalyptic number.

73085247 is a deficient number, since it is larger than the sum of its proper divisors (40954833).

73085247 is a wasteful number, since it uses less digits than its factorization.

73085247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 73085247 is about 8548.9909930939. The cubic root of 73085247 is about 418.0965395175.

The spelling of 73085247 in words is "seventy-three million, eighty-five thousand, two hundred forty-seven".

Divisors: 1 3 9 27 41 59 81 123 177 369 373 531 1107 1119 1593 2419 3321 3357 4779 7257 10071 15293 21771 22007 30213 45879 65313 66021 137637 195939 198063 412911 594189 902287 1238733 1782567 2706861 8120583 24361749 73085247