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82858090 = 2571183687
BaseRepresentation
bin1001111000001…
…01000001101010
312202220121221011
410330011001222
5132202424330
612115534134
72024165530
oct474050152
9182817834
1082858090
1142853567
12238ba34a
1314221273
14b00c150
15741a82a
hex4f0506a

82858090 has 16 divisors (see below), whose sum is σ = 170451072. Its totient is φ = 28408464.

The previous prime is 82858081. The next prime is 82858091. The reversal of 82858090 is 9085828.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82858091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591774 + ... + 591913.

It is an arithmetic number, because the mean of its divisors is an integer number (10653192).

Almost surely, 282858090 is an apocalyptic number.

82858090 is an abundant number, since it is smaller than the sum of its proper divisors (87592982).

82858090 is a wasteful number, since it uses less digits than its factorization.

82858090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183701.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 82858090 is about 9102.6419241888. The cubic root of 82858090 is about 435.9583223355.

The spelling of 82858090 in words is "eighty-two million, eight hundred fifty-eight thousand, ninety".

Divisors: 1 2 5 7 10 14 35 70 1183687 2367374 5918435 8285809 11836870 16571618 41429045 82858090