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30310322 = 272309289
BaseRepresentation
bin111001110011…
…1111110110010
32010000220221112
41303213332302
530224412242
63001353322
7515430200
oct163477662
963026845
1030310322
1116122659
12a198842
136383303
144050070
1529dac82
hex1ce7fb2

30310322 has 12 divisors (see below), whose sum is σ = 52888590. Its totient is φ = 12990096.

The previous prime is 30310321. The next prime is 30310327. The reversal of 30310322 is 22301303.

It can be written as a sum of positive squares in only one way, i.e., 22193521 + 8116801 = 4711^2 + 2849^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 30310297 and 30310306.

It is not an unprimeable number, because it can be changed into a prime (30310321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154547 + ... + 154742.

Almost surely, 230310322 is an apocalyptic number.

30310322 is a deficient number, since it is larger than the sum of its proper divisors (22578268).

30310322 is a wasteful number, since it uses less digits than its factorization.

30310322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309305 (or 309298 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 30310322 is about 5505.4810870622. The cubic root of 30310322 is about 311.7909582079.

Adding to 30310322 its reverse (22301303), we get a palindrome (52611625).

The spelling of 30310322 in words is "thirty million, three hundred ten thousand, three hundred twenty-two".

Divisors: 1 2 7 14 49 98 309289 618578 2165023 4330046 15155161 30310322