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83928733 = 743535261
BaseRepresentation
bin1010000000010…
…10011010011101
312211221000120121
411000022122131
5132441204413
612154514541
72036245120
oct500123235
9184830517
1083928733
1143414999
1224135a51
1314507695
14b20a3b7
15757cb8d
hex500a69d

83928733 has 16 divisors (see below), whose sum is σ = 100020096. Its totient is φ = 68927040.

The previous prime is 83928727. The next prime is 83928737. The reversal of 83928733 is 33782938.

It is not a de Polignac number, because 83928733 - 213 = 83920541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83928733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83928737) 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 15 ways as a sum of consecutive naturals, for example, 13323 + ... + 18583.

It is an arithmetic number, because the mean of its divisors is an integer number (6251256).

Almost surely, 283928733 is an apocalyptic number.

It is an amenable number.

83928733 is a deficient number, since it is larger than the sum of its proper divisors (16091363).

83928733 is a wasteful number, since it uses less digits than its factorization.

83928733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5364.

The product of its digits is 217728, while the sum is 43.

The square root of 83928733 is about 9161.2626313189. The cubic root of 83928733 is about 437.8280237110.

The spelling of 83928733 in words is "eighty-three million, nine hundred twenty-eight thousand, seven hundred thirty-three".

Divisors: 1 7 43 53 301 371 2279 5261 15953 36827 226223 278833 1583561 1951831 11989819 83928733