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30325268 = 227581317
BaseRepresentation
bin111001110101…
…1101000010100
32010001200110002
41303223220110
530230402033
63001550432
7515521601
oct163535024
963050402
1030325268
1116132906
12a1a5418
13638a05c
1440556a8
1529e03e8
hex1ceba14

30325268 has 6 divisors (see below), whose sum is σ = 53069226. Its totient is φ = 15162632.

The previous prime is 30325259. The next prime is 30325279. The reversal of 30325268 is 86252303.

It can be written as a sum of positive squares in only one way, i.e., 29571844 + 753424 = 5438^2 + 868^2 .

It is a super-3 number, since 3×303252683 (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30325268.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3790655 + ... + 3790662.

It is an arithmetic number, because the mean of its divisors is an integer number (8844871).

Almost surely, 230325268 is an apocalyptic number.

It is an amenable number.

30325268 is a deficient number, since it is larger than the sum of its proper divisors (22743958).

30325268 is a wasteful number, since it uses less digits than its factorization.

30325268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7581321 (or 7581319 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 30325268 is about 5506.8382943391. The cubic root of 30325268 is about 311.8421977594.

The spelling of 30325268 in words is "thirty million, three hundred twenty-five thousand, two hundred sixty-eight".

Divisors: 1 2 4 7581317 15162634 30325268