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83856982 = 2113811681
BaseRepresentation
bin1001111111110…
…00111001010110
312211210101011011
410333320321112
5132431410412
612153202434
72035525666
oct477707126
9184711134
1083856982
1143375aa0
122410041a
13144b0b21
14b1cc1a6
1575667a7
hex4ff8e56

83856982 has 8 divisors (see below), whose sum is σ = 137220552. Its totient is φ = 38116800.

The previous prime is 83856979. The next prime is 83857003. The reversal of 83856982 is 28965838.

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

It is a congruent number.

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, 1905819 + ... + 1905862.

It is an arithmetic number, because the mean of its divisors is an integer number (17152569).

Almost surely, 283856982 is an apocalyptic number.

83856982 is a deficient number, since it is larger than the sum of its proper divisors (53363570).

83856982 is a wasteful number, since it uses less digits than its factorization.

83856982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811694.

The product of its digits is 829440, while the sum is 49.

The square root of 83856982 is about 9157.3457944974. The cubic root of 83856982 is about 437.7032211799.

The spelling of 83856982 in words is "eighty-three million, eight hundred fifty-six thousand, nine hundred eighty-two".

Divisors: 1 2 11 22 3811681 7623362 41928491 83856982