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83049091 is a prime number
BaseRepresentation
bin1001111001100…
…11101010000011
312210021022221021
410330303222003
5132230032331
612124010311
72025622426
oct474635203
9183238837
1083049091
1142974014
1223990997
131428a198
14b05b9bd
157457211
hex4f33a83

83049091 has 2 divisors, whose sum is σ = 83049092. Its totient is φ = 83049090.

The previous prime is 83049089. The next prime is 83049119. The reversal of 83049091 is 19094038.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83049091 - 21 = 83049089 is a prime.

Together with 83049089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (83049061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41524545 + 41524546.

It is an arithmetic number, because the mean of its divisors is an integer number (41524546).

Almost surely, 283049091 is an apocalyptic number.

83049091 is a deficient number, since it is larger than the sum of its proper divisors (1).

83049091 is an equidigital number, since it uses as much as digits as its factorization.

83049091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 83049091 is about 9113.1273995265. The cubic root of 83049091 is about 436.2930495580.

The spelling of 83049091 in words is "eighty-three million, forty-nine thousand, ninety-one".