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82004501 = 137619967
BaseRepresentation
bin1001110001101…
…00101000010101
312201022021000202
410320310220111
5131443121001
612045350245
72014012115
oct470645025
9181267022
1082004501
1142320217
1223568385
1313cb2897
14ac69045
1572ec96b
hex4e34a15

82004501 has 8 divisors (see below), whose sum is σ = 82822080. Its totient is φ = 81190368.

The previous prime is 82004473. The next prime is 82004509. The reversal of 82004501 is 10540028.

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

It is a cyclic number.

It is not a de Polignac number, because 82004501 - 218 = 81742357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82004509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84320 + ... + 85286.

It is an arithmetic number, because the mean of its divisors is an integer number (10352760).

Almost surely, 282004501 is an apocalyptic number.

It is an amenable number.

82004501 is a deficient number, since it is larger than the sum of its proper divisors (817579).

82004501 is a wasteful number, since it uses less digits than its factorization.

82004501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 82004501 is about 9055.6336608765. The cubic root of 82004501 is about 434.4560974197.

Adding to 82004501 its reverse (10540028), we get a palindrome (92544529).

The spelling of 82004501 in words is "eighty-two million, four thousand, five hundred one".

Divisors: 1 137 619 967 84803 132479 598573 82004501