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82085001 = 349954833
BaseRepresentation
bin1001110010010…
…00010010001001
312201110100110020
410321020102021
5132003210001
612051211053
72014465605
oct471102211
9181410406
1082085001
1142375749
12235a6a89
131401040b
14ac8a505
157316736
hex4e48489

82085001 has 8 divisors (see below), whose sum is σ = 109668000. Its totient is φ = 54612672.

The previous prime is 82084987. The next prime is 82085011. The reversal of 82085001 is 10058028.

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

It is not a de Polignac number, because 82085001 - 29 = 82084489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82085011) 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, 25920 + ... + 28913.

It is an arithmetic number, because the mean of its divisors is an integer number (13708500).

Almost surely, 282085001 is an apocalyptic number.

It is an amenable number.

82085001 is a deficient number, since it is larger than the sum of its proper divisors (27582999).

82085001 is a wasteful number, since it uses less digits than its factorization.

82085001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55335.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 82085001 is about 9060.0773175509. The cubic root of 82085001 is about 434.5982127005.

The spelling of 82085001 in words is "eighty-two million, eighty-five thousand, one".

Divisors: 1 3 499 1497 54833 164499 27361667 82085001