Search a number
-
+
30553427 is a prime number
BaseRepresentation
bin111010010001…
…1010101010011
32010111021102102
41310203111103
530310202202
63010511015
7520462022
oct164432523
963437372
1030553427
1116279273
12a29546b
136439b68
1440b48b9
152a37d02
hex1d23553

30553427 has 2 divisors, whose sum is σ = 30553428. Its totient is φ = 30553426.

The previous prime is 30553421. The next prime is 30553441. The reversal of 30553427 is 72435503.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30553427 - 26 = 30553363 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 30553427.

It is not a weakly prime, because it can be changed into another prime (30553421) 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, 15276713 + 15276714.

It is an arithmetic number, because the mean of its divisors is an integer number (15276714).

Almost surely, 230553427 is an apocalyptic number.

30553427 is a deficient number, since it is larger than the sum of its proper divisors (1).

30553427 is an equidigital number, since it uses as much as digits as its factorization.

30553427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 30553427 is about 5527.5154454782. The cubic root of 30553427 is about 312.6223162777.

The spelling of 30553427 in words is "thirty million, five hundred fifty-three thousand, four hundred twenty-seven".