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82860745 = 5111506559
BaseRepresentation
bin1001111000001…
…01101011001001
312202220202120111
410330011223021
5132203020440
612115554321
72024206342
oct474055311
9182822514
1082860745
1142855560
12238bb9a1
1314222536
14b00d0c9
15741b4ea
hex4f05ac9

82860745 has 8 divisors (see below), whose sum is σ = 108472320. Its totient is φ = 60262320.

The previous prime is 82860733. The next prime is 82860781. The reversal of 82860745 is 54706828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-82860745 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82860698 and 82860707.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 753225 + ... + 753334.

It is an arithmetic number, because the mean of its divisors is an integer number (13559040).

Almost surely, 282860745 is an apocalyptic number.

It is an amenable number.

82860745 is a deficient number, since it is larger than the sum of its proper divisors (25611575).

82860745 is a wasteful number, since it uses less digits than its factorization.

82860745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506575.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 82860745 is about 9102.7877598019. The cubic root of 82860745 is about 435.9629787184.

The spelling of 82860745 in words is "eighty-two million, eight hundred sixty thousand, seven hundred forty-five".

Divisors: 1 5 11 55 1506559 7532795 16572149 82860745