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30122003 = 415571319
BaseRepresentation
bin111001011101…
…0000000010011
32002200100121202
41302322000103
530202401003
62553341415
7514014152
oct162720023
962610552
1030122003
111600411a
12a10786b
136318692
144001599
1529a0088
hex1cba013

30122003 has 8 divisors (see below), whose sum is σ = 30935520. Its totient is φ = 29312320.

The previous prime is 30121999. The next prime is 30122017. The reversal of 30122003 is 30022103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30122003 - 22 = 30121999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30122023) 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 7 ways as a sum of consecutive naturals, for example, 22178 + ... + 23496.

It is an arithmetic number, because the mean of its divisors is an integer number (3866940).

Almost surely, 230122003 is an apocalyptic number.

30122003 is a deficient number, since it is larger than the sum of its proper divisors (813517).

30122003 is a wasteful number, since it uses less digits than its factorization.

30122003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 30122003 is about 5488.3515740156. The cubic root of 30122003 is about 311.1438938763.

Adding to 30122003 its reverse (30022103), we get a palindrome (60144106).

The spelling of 30122003 in words is "thirty million, one hundred twenty-two thousand, three".

Divisors: 1 41 557 1319 22837 54079 734683 30122003