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30004310 = 257428633
BaseRepresentation
bin111001001110…
…1010001010110
32002110101011202
41302131101112
530140114220
62551032502
7513014060
oct162352126
962411152
1030004310
1115a33756
12a06b732
1362a6c3b
143db0730
15297a275
hex1c9d456

30004310 has 16 divisors (see below), whose sum is σ = 61723296. Its totient is φ = 10287168.

The previous prime is 30004301. The next prime is 30004313. The reversal of 30004310 is 1340003.

It is a super-2 number, since 2×300043102 = 1800517237152200, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30004291 and 30004300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30004313) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 214247 + ... + 214386.

It is an arithmetic number, because the mean of its divisors is an integer number (3857706).

Almost surely, 230004310 is an apocalyptic number.

30004310 is an abundant number, since it is smaller than the sum of its proper divisors (31718986).

30004310 is a wasteful number, since it uses less digits than its factorization.

30004310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428647.

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

The square root of 30004310 is about 5477.6190082918. The cubic root of 30004310 is about 310.7381300741.

Adding to 30004310 its reverse (1340003), we get a palindrome (31344313).

The spelling of 30004310 in words is "thirty million, four thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 428633 857266 2143165 3000431 4286330 6000862 15002155 30004310