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83928968 = 23412792
BaseRepresentation
bin1010000000010…
…10011110001000
312211221000220022
411000022132020
5132441211333
612154520012
72036245604
oct500123610
9184830808
1083928968
1143415092
1224136008
1314507816
14b20a504
15757cc98
hex500a788

83928968 has 36 divisors (see below), whose sum is σ = 163366245. Its totient is φ = 40422720.

The previous prime is 83928961. The next prime is 83928979. The reversal of 83928968 is 86982938.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 59938564 + 23990404 = 7742^2 + 4898^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=6478.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83928961) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1062353 + ... + 1062431.

Almost surely, 283928968 is an apocalyptic number.

It is an amenable number.

83928968 is a deficient number, since it is larger than the sum of its proper divisors (79437277).

83928968 is an equidigital number, since it uses as much as digits as its factorization.

83928968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 122 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 53.

The square root of 83928968 is about 9161.2754570529. The cubic root of 83928968 is about 437.8284323493.

Multiplying 83928968 by its product of digits (1492992), we get a square (125305277792256 = 111939842).

The spelling of 83928968 in words is "eighty-three million, nine hundred twenty-eight thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 41 79 82 158 164 316 328 632 1681 3239 3362 6241 6478 6724 12482 12956 13448 24964 25912 49928 132799 255881 265598 511762 531196 1023524 1062392 2047048 10491121 20982242 41964484 83928968