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683135145 = 325711217923
BaseRepresentation
bin101000101101111…
…101000010101001
31202121102212020200
4220231331002221
52344340311040
6151441542413
722633360440
oct5055750251
91677385220
10683135145
11320680600
12170944a09
13ab6b5ca4
1466a27d57
153ee90630
hex28b7d0a9

683135145 has 72 divisors (see below), whose sum is σ = 1487548608. Its totient is φ = 283884480.

The previous prime is 683135143. The next prime is 683135203. The reversal of 683135145 is 541531386.

683135145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 683135145 - 21 = 683135143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (683135143) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29154 + ... + 47076.

Almost surely, 2683135145 is an apocalyptic number.

It is an amenable number.

683135145 is an abundant number, since it is smaller than the sum of its proper divisors (804413463).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

683135145 is a wasteful number, since it uses less digits than its factorization.

683135145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17963 (or 17949 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 683135145 is about 26136.8541527094. The cubic root of 683135145 is about 880.7153038278.

The spelling of 683135145 in words is "six hundred eighty-three million, one hundred thirty-five thousand, one hundred forty-five".

Divisors: 1 3 5 7 9 11 15 21 33 35 45 55 63 77 99 105 121 165 231 315 363 385 495 605 693 847 1089 1155 1815 2541 3465 4235 5445 7623 12705 17923 38115 53769 89615 125461 161307 197153 268845 376383 591459 627305 806535 985765 1129149 1380071 1774377 1881915 2168683 2957295 4140213 5645745 6506049 6900355 8871885 10843415 12420639 15180781 19518147 20701065 32530245 45542343 62103195 75903905 97590735 136627029 227711715 683135145