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30021334 = 273675843
BaseRepresentation
bin111001010000…
…1011011010110
32002111020112021
41302201123112
530141140314
62551243354
7513114520
oct162413326
962436467
1030021334
1115a45522
12a07955a
1362b1905
143db6a10
152980324
hex1ca16d6

30021334 has 16 divisors (see below), whose sum is σ = 51614208. Its totient is φ = 12829032.

The previous prime is 30021317. The next prime is 30021347. The reversal of 30021334 is 43312003.

It is a congruent number.

It is an unprimeable number.

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, 2217 + ... + 8059.

It is an arithmetic number, because the mean of its divisors is an integer number (3225888).

Almost surely, 230021334 is an apocalyptic number.

30021334 is a deficient number, since it is larger than the sum of its proper divisors (21592874).

30021334 is a wasteful number, since it uses less digits than its factorization.

30021334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6219.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30021334 is about 5479.1727477786. The cubic root of 30021334 is about 310.7968883630.

Adding to 30021334 its reverse (43312003), we get a palindrome (73333337).

The spelling of 30021334 in words is "thirty million, twenty-one thousand, three hundred thirty-four".

Divisors: 1 2 7 14 367 734 2569 5138 5843 11686 40901 81802 2144381 4288762 15010667 30021334