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82507803 = 375374131
BaseRepresentation
bin1001110101011…
…11100000011011
312202020211102120
410322233200123
5132110222203
612104232323
72021206350
oct472574033
9182224376
1082507803
1142634374
122376b6a3
131412a9b1
14ad5a627
15739bb53
hex4eaf81b

82507803 has 16 divisors (see below), whose sum is σ = 128100096. Its totient is φ = 46257120.

The previous prime is 82507793. The next prime is 82507811. The reversal of 82507803 is 30870528.

It is not a de Polignac number, because 82507803 - 213 = 82499611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82507603) 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, 35953 + ... + 38178.

It is an arithmetic number, because the mean of its divisors is an integer number (8006256).

Almost surely, 282507803 is an apocalyptic number.

82507803 is a deficient number, since it is larger than the sum of its proper divisors (45592293).

82507803 is a wasteful number, since it uses less digits than its factorization.

82507803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74194.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 82507803 is about 9083.3805931492. The cubic root of 82507803 is about 435.3431088742.

The spelling of 82507803 in words is "eighty-two million, five hundred seven thousand, eight hundred three".

Divisors: 1 3 7 21 53 159 371 1113 74131 222393 518917 1556751 3928943 11786829 27502601 82507803