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82745058 = 231110112413
BaseRepresentation
bin1001110111010…
…01011011100010
312202200212212210
410323221123202
5132140320213
612113302550
72023215144
oct473513342
9182625783
1082745058
1142786650
1223864a56
13141b1996
14adbcc94
1573e70c3
hex4ee96e2

82745058 has 32 divisors (see below), whose sum is σ = 182336832. Its totient is φ = 24824000.

The previous prime is 82745023. The next prime is 82745059. The reversal of 82745058 is 85054728.

It is not an unprimeable number, because it can be changed into a prime (82745059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460 + ... + 12872.

It is an arithmetic number, because the mean of its divisors is an integer number (5698026).

Almost surely, 282745058 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82745058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91168416).

82745058 is an abundant number, since it is smaller than the sum of its proper divisors (99591774).

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

82745058 is a wasteful number, since it uses less digits than its factorization.

82745058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12530.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 82745058 is about 9096.4310583877. The cubic root of 82745058 is about 435.7599926149.

The spelling of 82745058 in words is "eighty-two million, seven hundred forty-five thousand, fifty-eight".

Divisors: 1 2 3 6 11 22 33 66 101 202 303 606 1111 2222 3333 6666 12413 24826 37239 74478 136543 273086 409629 819258 1253713 2507426 3761139 7522278 13790843 27581686 41372529 82745058