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83836490 = 258383649
BaseRepresentation
bin1001111111100…
…11111001001010
312211202100001012
410333303321022
5132430231430
612152523522
72035412153
oct477637112
9184670035
1083836490
1143361661
12240b05a2
13144a46ba
14b1c492a
157560695
hex4ff3e4a

83836490 has 8 divisors (see below), whose sum is σ = 150905700. Its totient is φ = 33534592.

The previous prime is 83836483. The next prime is 83836507. The reversal of 83836490 is 9463838.

It can be written as a sum of positive squares in 2 ways, for example, as 83302129 + 534361 = 9127^2 + 731^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4191815 + ... + 4191834.

Almost surely, 283836490 is an apocalyptic number.

83836490 is a deficient number, since it is larger than the sum of its proper divisors (67069210).

83836490 is a wasteful number, since it uses less digits than its factorization.

83836490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8383656.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 83836490 is about 9156.2268429741. The cubic root of 83836490 is about 437.6675646573.

The spelling of 83836490 in words is "eighty-three million, eight hundred thirty-six thousand, four hundred ninety".

Divisors: 1 2 5 10 8383649 16767298 41918245 83836490