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982689091 is a prime number
BaseRepresentation
bin111010100100101…
…010010101000011
32112111002210000021
4322210222111003
54003032022331
6241302234311
733231501526
oct7244522503
92474083007
10982689091
1146477a94a
12235125997
13128788a47
1494722bbd
155b412211
hex3a92a543

982689091 has 2 divisors, whose sum is σ = 982689092. Its totient is φ = 982689090.

The previous prime is 982689083. The next prime is 982689161. The reversal of 982689091 is 190986289.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 982689091 - 23 = 982689083 is a prime.

It is not a weakly prime, because it can be changed into another prime (902689091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491344545 + 491344546.

It is an arithmetic number, because the mean of its divisors is an integer number (491344546).

Almost surely, 2982689091 is an apocalyptic number.

982689091 is a deficient number, since it is larger than the sum of its proper divisors (1).

982689091 is an equidigital number, since it uses as much as digits as its factorization.

982689091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 52.

The square root of 982689091 is about 31347.8721925428. The cubic root of 982689091 is about 994.1960766431.

The spelling of 982689091 in words is "nine hundred eighty-two million, six hundred eighty-nine thousand, ninety-one".