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95216981 is a prime number
BaseRepresentation
bin1011010110011…
…10010101010101
320122011112010212
411223032111111
5143333420411
613240455205
72234221346
oct553162525
9218145125
1095216981
1149824a22
1227a7a505
131695a712
14c9080cd
15855c68b
hex5ace555

95216981 has 2 divisors, whose sum is σ = 95216982. Its totient is φ = 95216980.

The previous prime is 95216977. The next prime is 95216993. The reversal of 95216981 is 18961259.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67486225 + 27730756 = 8215^2 + 5266^2 .

It is a cyclic number.

It is not a de Polignac number, because 95216981 - 22 = 95216977 is a prime.

It is a super-2 number, since 2×952169812 = 18132546941508722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (95210981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47608490 + 47608491.

It is an arithmetic number, because the mean of its divisors is an integer number (47608491).

Almost surely, 295216981 is an apocalyptic number.

It is an amenable number.

95216981 is a deficient number, since it is larger than the sum of its proper divisors (1).

95216981 is an equidigital number, since it uses as much as digits as its factorization.

95216981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 41.

The square root of 95216981 is about 9757.9188867299. The cubic root of 95216981 is about 456.6373899809.

The spelling of 95216981 in words is "ninety-five million, two hundred sixteen thousand, nine hundred eighty-one".