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82630637 is a prime number
BaseRepresentation
bin1001110110011…
…01011111101101
312202111001220222
410323031133231
5132123140022
612111021125
72022230435
oct473153755
9182431828
1082630637
1142708691
122380a7a5
131417188b
14ad8d2c5
1573c3242
hex4ecd7ed

82630637 has 2 divisors, whose sum is σ = 82630638. Its totient is φ = 82630636.

The previous prime is 82630633. The next prime is 82630699. The reversal of 82630637 is 73603628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67059721 + 15570916 = 8189^2 + 3946^2 .

It is a cyclic number.

It is not a de Polignac number, because 82630637 - 22 = 82630633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82630597 and 82630606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82630633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41315318 + 41315319.

It is an arithmetic number, because the mean of its divisors is an integer number (41315319).

Almost surely, 282630637 is an apocalyptic number.

It is an amenable number.

82630637 is a deficient number, since it is larger than the sum of its proper divisors (1).

82630637 is an equidigital number, since it uses as much as digits as its factorization.

82630637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 82630637 is about 9090.1395478837. The cubic root of 82630637 is about 435.5590416643.

The spelling of 82630637 in words is "eighty-two million, six hundred thirty thousand, six hundred thirty-seven".