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30163365 = 325670297
BaseRepresentation
bin111001100010…
…0000110100101
32002202110100200
41303010012211
530210211430
62554301113
7514245561
oct163040645
962673320
1030163365
1116032201
12a127799
13633145b
1440126a1
1529ac460
hex1cc41a5

30163365 has 12 divisors (see below), whose sum is σ = 52283244. Its totient is φ = 16087104.

The previous prime is 30163351. The next prime is 30163369. The reversal of 30163365 is 56336103.

It can be written as a sum of positive squares in 2 ways, for example, as 15000129 + 15163236 = 3873^2 + 3894^2 .

It is not a de Polignac number, because 30163365 - 213 = 30155173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30163369) 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 in 11 ways as a sum of consecutive naturals, for example, 335104 + ... + 335193.

It is an arithmetic number, because the mean of its divisors is an integer number (4356937).

Almost surely, 230163365 is an apocalyptic number.

It is an amenable number.

30163365 is a deficient number, since it is larger than the sum of its proper divisors (22119879).

30163365 is a wasteful number, since it uses less digits than its factorization.

30163365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670308 (or 670305 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 30163365 is about 5492.1184437337. The cubic root of 30163365 is about 311.2862443881.

Adding to 30163365 its reverse (56336103), we get a palindrome (86499468).

The spelling of 30163365 in words is "thirty million, one hundred sixty-three thousand, three hundred sixty-five".

Divisors: 1 3 5 9 15 45 670297 2010891 3351485 6032673 10054455 30163365