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30333234 = 2319266081
BaseRepresentation
bin111001110110…
…1100100110010
32010002002101010
41303231210302
530231130414
63002051350
7515554041
oct163554462
963062333
1030333234
1116138898
12a1a9b56
136390879
144058558
1529e2959
hex1ced932

30333234 has 16 divisors (see below), whose sum is σ = 63859680. Its totient is φ = 9578880.

The previous prime is 30333227. The next prime is 30333239. The reversal of 30333234 is 43233303.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30333234.

It is not an unprimeable number, because it can be changed into a prime (30333239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132927 + ... + 133154.

It is an arithmetic number, because the mean of its divisors is an integer number (3991230).

Almost surely, 230333234 is an apocalyptic number.

30333234 is an abundant number, since it is smaller than the sum of its proper divisors (33526446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30333234 is a wasteful number, since it uses less digits than its factorization.

30333234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266105.

The product of its (nonzero) digits is 1944, while the sum is 21.

The square root of 30333234 is about 5507.5615293885. The cubic root of 30333234 is about 311.8695008153.

Adding to 30333234 its reverse (43233303), we get a palindrome (73566537).

The spelling of 30333234 in words is "thirty million, three hundred thirty-three thousand, two hundred thirty-four".

Divisors: 1 2 3 6 19 38 57 114 266081 532162 798243 1596486 5055539 10111078 15166617 30333234