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83106449 is a prime number
BaseRepresentation
bin1001111010000…
…01101010010001
312210101020121122
410331001222101
5132233401244
612125132025
72026251566
oct475015221
9183336548
1083106449
1142a03118
12239ba015
13142aa31a
14b07486d
1574691ee
hex4f41a91

83106449 has 2 divisors, whose sum is σ = 83106450. Its totient is φ = 83106448.

The previous prime is 83106409. The next prime is 83106469. The reversal of 83106449 is 94460138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68145025 + 14961424 = 8255^2 + 3868^2 .

It is a cyclic number.

It is not a de Polignac number, because 83106449 - 212 = 83102353 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (83106409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41553224 + 41553225.

It is an arithmetic number, because the mean of its divisors is an integer number (41553225).

Almost surely, 283106449 is an apocalyptic number.

It is an amenable number.

83106449 is a deficient number, since it is larger than the sum of its proper divisors (1).

83106449 is an equidigital number, since it uses as much as digits as its factorization.

83106449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 83106449 is about 9116.2738550353. The cubic root of 83106449 is about 436.3934686294.

The spelling of 83106449 in words is "eighty-three million, one hundred six thousand, four hundred forty-nine".