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385982029 is a prime number
BaseRepresentation
bin10111000000011…
…001111001001101
3222220021220210201
4113000121321031
51242302411104
6102144533501
712364536016
oct2700317115
9886256721
10385982029
11188971014
12a9321291
1361c73c44
143939600d
1523d450a4
hex17019e4d

385982029 has 2 divisors, whose sum is σ = 385982030. Its totient is φ = 385982028.

The previous prime is 385981997. The next prime is 385982041. The reversal of 385982029 is 920289583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379080900 + 6901129 = 19470^2 + 2627^2 .

It is a cyclic number.

It is not a de Polignac number, because 385982029 - 25 = 385981997 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385982029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385982099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192991014 + 192991015.

It is an arithmetic number, because the mean of its divisors is an integer number (192991015).

Almost surely, 2385982029 is an apocalyptic number.

It is an amenable number.

385982029 is a deficient number, since it is larger than the sum of its proper divisors (1).

385982029 is an equidigital number, since it uses as much as digits as its factorization.

385982029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 385982029 is about 19646.4253491570. The cubic root of 385982029 is about 728.0966422893.

The spelling of 385982029 in words is "three hundred eighty-five million, nine hundred eighty-two thousand, twenty-nine".