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30169801 is a prime number
BaseRepresentation
bin111001100010…
…1101011001001
32002202210012001
41303011223021
530210413201
62554351001
7514303414
oct163055311
962683161
1030169801
1116037022
12a12b461
13633436c
144014b7b
1529ae301
hex1cc5ac9

30169801 has 2 divisors, whose sum is σ = 30169802. Its totient is φ = 30169800.

The previous prime is 30169771. The next prime is 30169819. The reversal of 30169801 is 10896103.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20466576 + 9703225 = 4524^2 + 3115^2 .

It is an emirp because it is prime and its reverse (10896103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30169801 - 29 = 30169289 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 30169801.

It is not a weakly prime, because it can be changed into another prime (30169861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15084900 + 15084901.

It is an arithmetic number, because the mean of its divisors is an integer number (15084901).

Almost surely, 230169801 is an apocalyptic number.

It is an amenable number.

30169801 is a deficient number, since it is larger than the sum of its proper divisors (1).

30169801 is an equidigital number, since it uses as much as digits as its factorization.

30169801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 30169801 is about 5492.7043430354. The cubic root of 30169801 is about 311.3083826763.

The spelling of 30169801 in words is "thirty million, one hundred sixty-nine thousand, eight hundred one".