Search a number
-
+
30552331 is a prime number
BaseRepresentation
bin111010010001…
…1000100001011
32010111012220211
41310203010023
530310133311
63010501551
7520455565
oct164430413
963435824
1030552331
1116278467
12a2948b7
136439504
1440b4335
152a37821
hex1d2310b

30552331 has 2 divisors, whose sum is σ = 30552332. Its totient is φ = 30552330.

The previous prime is 30552311. The next prime is 30552337. The reversal of 30552331 is 13325503.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30552331 - 25 = 30552299 is a prime.

It is a super-2 number, since 2×305523312 = 1866889859067122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30552337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15276165 + 15276166.

It is an arithmetic number, because the mean of its divisors is an integer number (15276166).

Almost surely, 230552331 is an apocalyptic number.

30552331 is a deficient number, since it is larger than the sum of its proper divisors (1).

30552331 is an equidigital number, since it uses as much as digits as its factorization.

30552331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 30552331 is about 5527.4163042058. The cubic root of 30552331 is about 312.6185781465.

Adding to 30552331 its reverse (13325503), we get a palindrome (43877834).

The spelling of 30552331 in words is "thirty million, five hundred fifty-two thousand, three hundred thirty-one".