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83008706 = 2115371191
BaseRepresentation
bin1001111001010…
…01110011000010
312210012021112112
410330221303002
5132222234311
612123055322
72025363614
oct474516302
9183167475
1083008706
1142946740
1223971542
13142749a1
14b04adb4
15744a28b
hex4f29cc2

83008706 has 16 divisors (see below), whose sum is σ = 138397248. Its totient is φ = 37018800.

The previous prime is 83008661. The next prime is 83008729. The reversal of 83008706 is 60780038.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34430 + ... + 36761.

It is an arithmetic number, because the mean of its divisors is an integer number (8649828).

Almost surely, 283008706 is an apocalyptic number.

83008706 is a deficient number, since it is larger than the sum of its proper divisors (55388542).

83008706 is a wasteful number, since it uses less digits than its factorization.

83008706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71257.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 83008706 is about 9110.9113704393. The cubic root of 83008706 is about 436.2223180931. Note that the first 3 decimals are identical.

The spelling of 83008706 in words is "eighty-three million, eight thousand, seven hundred six".

Divisors: 1 2 11 22 53 106 583 1166 71191 142382 783101 1566202 3773123 7546246 41504353 83008706