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30225033 = 323358337
BaseRepresentation
bin111001101001…
…1001010001001
32002212120221200
41303103022021
530214200113
62555454413
7514623426
oct163231211
962776850
1030225033
1116074573
12a157409
136353547
14402ad4d
1529c0873
hex1cd3289

30225033 has 6 divisors (see below), whose sum is σ = 43658394. Its totient is φ = 20150016.

The previous prime is 30225011. The next prime is 30225037. The reversal of 30225033 is 33052203.

It can be written as a sum of positive squares in only one way, i.e., 30173049 + 51984 = 5493^2 + 228^2 .

It is a de Polignac number, because none of the positive numbers 2k-30225033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30224997 and 30225015.

It is not an unprimeable number, because it can be changed into a prime (30225037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1679160 + ... + 1679177.

It is an arithmetic number, because the mean of its divisors is an integer number (7276399).

Almost surely, 230225033 is an apocalyptic number.

It is an amenable number.

30225033 is a deficient number, since it is larger than the sum of its proper divisors (13433361).

30225033 is a wasteful number, since it uses less digits than its factorization.

30225033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358343 (or 3358340 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 30225033 is about 5497.7298042010. The cubic root of 30225033 is about 311.4982381188.

Adding to 30225033 its reverse (33052203), we get a palindrome (63277236).

The spelling of 30225033 in words is "thirty million, two hundred twenty-five thousand, thirty-three".

Divisors: 1 3 9 3358337 10075011 30225033