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30330530 = 253033053
BaseRepresentation
bin111001110110…
…0111010100010
32010001221122222
41303230322202
530231034110
63002031042
7515543126
oct163547242
963057588
1030330530
111613685a
12a1a8482
13638c579
144057586
1529e1c55
hex1cecea2

30330530 has 8 divisors (see below), whose sum is σ = 54594972. Its totient is φ = 12132208.

The previous prime is 30330527. The next prime is 30330571. The reversal of 30330530 is 3503303.

It can be written as a sum of positive squares in 2 ways, for example, as 30327049 + 3481 = 5507^2 + 59^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 30330499 and 30330508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516517 + ... + 1516536.

Almost surely, 230330530 is an apocalyptic number.

30330530 is a deficient number, since it is larger than the sum of its proper divisors (24264442).

30330530 is a wasteful number, since it uses less digits than its factorization.

30330530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033060.

The product of its (nonzero) digits is 405, while the sum is 17.

The square root of 30330530 is about 5507.3160432283. The cubic root of 30330530 is about 311.8602335302.

Adding to 30330530 its reverse (3503303), we get a palindrome (33833833).

The spelling of 30330530 in words is "thirty million, three hundred thirty thousand, five hundred thirty".

Divisors: 1 2 5 10 3033053 6066106 15165265 30330530