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30332225 = 5272112251
BaseRepresentation
bin111001110110…
…1010101000001
32010002000222202
41303231111001
530231112400
63002042545
7515551100
oct163552501
963060882
1030332225
1116138060
12a1a9455
136390281
144058037
1529e24d5
hex1ced541

30332225 has 36 divisors (see below), whose sum is σ = 47751408. Its totient is φ = 18900000.

The previous prime is 30332221. The next prime is 30332257. The reversal of 30332225 is 52223303.

It is not a de Polignac number, because 30332225 - 22 = 30332221 is a prime.

It is a super-3 number, since 3×303322253 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30332197 and 30332206.

It is not an unprimeable number, because it can be changed into a prime (30332221) 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 35 ways as a sum of consecutive naturals, for example, 12350 + ... + 14600.

It is an arithmetic number, because the mean of its divisors is an integer number (1326428).

Almost surely, 230332225 is an apocalyptic number.

30332225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30332225 is a deficient number, since it is larger than the sum of its proper divisors (17419183).

30332225 is a wasteful number, since it uses less digits than its factorization.

30332225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286 (or 2274 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 30332225 is about 5507.4699272897. The cubic root of 30332225 is about 311.8660427841.

Adding to 30332225 its reverse (52223303), we get a palindrome (82555528).

The spelling of 30332225 in words is "thirty million, three hundred thirty-two thousand, two hundred twenty-five".

Divisors: 1 5 7 11 25 35 49 55 77 175 245 275 385 539 1225 1925 2251 2695 11255 13475 15757 24761 56275 78785 110299 123805 173327 393925 551495 619025 866635 1213289 2757475 4333175 6066445 30332225