Search a number
-
+
30425183 is a prime number
BaseRepresentation
bin111010000010…
…0000001011111
32010020202111122
41310010001133
530242101213
63004041155
7516416105
oct164040137
963222448
1030425183
11161a0988
12a2331bb
1363c3689
14407dc75
152a0ed08
hex1d0405f

30425183 has 2 divisors, whose sum is σ = 30425184. Its totient is φ = 30425182.

The previous prime is 30425177. The next prime is 30425221. The reversal of 30425183 is 38152403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30425183 - 210 = 30424159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30425173) 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, 15212591 + 15212592.

It is an arithmetic number, because the mean of its divisors is an integer number (15212592).

Almost surely, 230425183 is an apocalyptic number.

30425183 is a deficient number, since it is larger than the sum of its proper divisors (1).

30425183 is an equidigital number, since it uses as much as digits as its factorization.

30425183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 30425183 is about 5515.9027366334. The cubic root of 30425183 is about 312.1843058264.

Adding to 30425183 its reverse (38152403), we get a palindrome (68577586).

The spelling of 30425183 in words is "thirty million, four hundred twenty-five thousand, one hundred eighty-three".