Search a number
-
+
30325001 = 74332143
BaseRepresentation
bin111001110101…
…1100100001001
32010001200002012
41303223210021
530230400001
63001545305
7515521040
oct163534411
963050065
1030325001
1116132693
12a1a5235
136389bb5
144055557
1529e02bb
hex1ceb909

30325001 has 4 divisors (see below), whose sum is σ = 34657152. Its totient is φ = 25992852.

The previous prime is 30324989. The next prime is 30325027. The reversal of 30325001 is 10052303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10052303 = 24174159.

It is a cyclic number.

It is not a de Polignac number, because 30325001 - 214 = 30308617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30325091) 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 in 3 ways as a sum of consecutive naturals, for example, 2166065 + ... + 2166078.

It is an arithmetic number, because the mean of its divisors is an integer number (8664288).

Almost surely, 230325001 is an apocalyptic number.

It is an amenable number.

30325001 is a deficient number, since it is larger than the sum of its proper divisors (4332151).

30325001 is an equidigital number, since it uses as much as digits as its factorization.

30325001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332150.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 30325001 is about 5506.8140516999. The cubic root of 30325001 is about 311.8412825478.

Adding to 30325001 its reverse (10052303), we get a palindrome (40377304).

The spelling of 30325001 in words is "thirty million, three hundred twenty-five thousand, one".

Divisors: 1 7 4332143 30325001