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30449 is a prime number
BaseRepresentation
bin111011011110001
31112202202
413123301
51433244
6352545
7154526
oct73361
945682
1030449
1120971
1215755
1310b23
14b14d
15904e
hex76f1

30449 has 2 divisors, whose sum is σ = 30450. Its totient is φ = 30448.

The previous prime is 30431. The next prime is 30467. The reversal of 30449 is 94403.

It is a balanced prime because it is at equal distance from previous prime (30431) and next prime (30467).

It can be written as a sum of positive squares in only one way, i.e., 20449 + 10000 = 143^2 + 100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30449 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30449.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 30449.

It is not a weakly prime, because it can be changed into another prime (30469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15224 + 15225.

It is an arithmetic number, because the mean of its divisors is an integer number (15225).

230449 is an apocalyptic number.

It is an amenable number.

30449 is a deficient number, since it is larger than the sum of its proper divisors (1).

30449 is an equidigital number, since it uses as much as digits as its factorization.

30449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 30449 is about 174.4964183014. The cubic root of 30449 is about 31.2265744442.

It can be divided in two parts, 304 and 49, that added together give a palindrome (353).

The spelling of 30449 in words is "thirty thousand, four hundred forty-nine".