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83028331 is a prime number
BaseRepresentation
bin1001111001011…
…10100101101011
312210020021110101
410330232211223
5132223401311
612123330231
72025505051
oct474564553
9183207411
1083028331
114295a461
1223980977
13142808b9
14b0541d1
157450ec1
hex4f2e96b

83028331 has 2 divisors, whose sum is σ = 83028332. Its totient is φ = 83028330.

The previous prime is 83028329. The next prime is 83028353. The reversal of 83028331 is 13382038.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83028331 - 21 = 83028329 is a prime.

It is a super-2 number, since 2×830283312 = 13787407497291122, which contains 22 as substring.

Together with 83028329, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 83028331.

It is not a weakly prime, because it can be changed into another prime (83028031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41514165 + 41514166.

It is an arithmetic number, because the mean of its divisors is an integer number (41514166).

Almost surely, 283028331 is an apocalyptic number.

83028331 is a deficient number, since it is larger than the sum of its proper divisors (1).

83028331 is an equidigital number, since it uses as much as digits as its factorization.

83028331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 83028331 is about 9111.9883121084. The cubic root of 83028331 is about 436.2566927543.

It can be divided in two parts, 830 and 28331, that added together give a triangular number (29161 = T241).

The spelling of 83028331 in words is "eighty-three million, twenty-eight thousand, three hundred thirty-one".