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83031073 is a prime number
BaseRepresentation
bin1001111001011…
…11010000100001
312210020102012221
410330233100201
5132223443243
612123351041
72025516046
oct474572041
9183212187
1083031073
1142961524
1223982481
1314281c18
14b0551cd
157451bed
hex4f2f421

83031073 has 2 divisors, whose sum is σ = 83031074. Its totient is φ = 83031072.

The previous prime is 83031041. The next prime is 83031079. The reversal of 83031073 is 37013038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82864609 + 166464 = 9103^2 + 408^2 .

It is a cyclic number.

It is not a de Polignac number, because 83031073 - 25 = 83031041 is a prime.

It is not a weakly prime, because it can be changed into another prime (83031079) by changing a digit.

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 as a sum of consecutive naturals, namely, 41515536 + 41515537.

It is an arithmetic number, because the mean of its divisors is an integer number (41515537).

Almost surely, 283031073 is an apocalyptic number.

It is an amenable number.

83031073 is a deficient number, since it is larger than the sum of its proper divisors (1).

83031073 is an equidigital number, since it uses as much as digits as its factorization.

83031073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 83031073 is about 9112.1387719898. The cubic root of 83031073 is about 436.2614951419.

It can be divided in two parts, 8 and 3031073, that added together give a square (3031081 = 17412).

The spelling of 83031073 in words is "eighty-three million, thirty-one thousand, seventy-three".