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82395885 = 351113107359
BaseRepresentation
bin1001110100101…
…00001011101101
312202001010220110
410322110023231
5132043132020
612102010233
72020232145
oct472241355
9182033813
1082395885
1142568280
1223716979
13140bba80
14ad2b925
1573788e0
hex4e942ed

82395885 has 64 divisors (see below), whose sum is σ = 156764160. Its totient is φ = 36430080.

The previous prime is 82395881. The next prime is 82395893. The reversal of 82395885 is 58859328.

It is not a de Polignac number, because 82395885 - 22 = 82395881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82395881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 229336 + ... + 229694.

It is an arithmetic number, because the mean of its divisors is an integer number (2449440).

Almost surely, 282395885 is an apocalyptic number.

It is an amenable number.

82395885 is a deficient number, since it is larger than the sum of its proper divisors (74368275).

82395885 is a wasteful number, since it uses less digits than its factorization.

82395885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498.

The product of its digits is 691200, while the sum is 48.

The square root of 82395885 is about 9077.2179107918. The cubic root of 82395885 is about 435.1461789074.

The spelling of 82395885 in words is "eighty-two million, three hundred ninety-five thousand, eight hundred eighty-five".

Divisors: 1 3 5 11 13 15 33 39 55 65 107 143 165 195 321 359 429 535 715 1077 1177 1391 1605 1795 2145 3531 3949 4173 4667 5385 5885 6955 11847 14001 15301 17655 19745 20865 23335 38413 45903 51337 59235 70005 76505 115239 154011 192065 229515 256685 422543 499369 576195 770055 1267629 1498107 2112715 2496845 5493059 6338145 7490535 16479177 27465295 82395885