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30830941 is a prime number
BaseRepresentation
bin111010110011…
…1000101011101
32011000101002201
41311213011131
530343042231
63020451501
7523026061
oct165470535
964011081
1030830941
1116448819
12a3a9b91
13650627b
144147aa1
152a90161
hex1d6715d

30830941 has 2 divisors, whose sum is σ = 30830942. Its totient is φ = 30830940.

The previous prime is 30830929. The next prime is 30830951. The reversal of 30830941 is 14903803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27258841 + 3572100 = 5221^2 + 1890^2 .

It is an emirp because it is prime and its reverse (14903803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30830941 - 213 = 30822749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30830951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15415470 + 15415471.

It is an arithmetic number, because the mean of its divisors is an integer number (15415471).

Almost surely, 230830941 is an apocalyptic number.

It is an amenable number.

30830941 is a deficient number, since it is larger than the sum of its proper divisors (1).

30830941 is an equidigital number, since it uses as much as digits as its factorization.

30830941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 30830941 is about 5552.5616610714. The cubic root of 30830941 is about 313.5659716663.

The spelling of 30830941 in words is "thirty million, eight hundred thirty thousand, nine hundred forty-one".