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30040244 = 22131992903
BaseRepresentation
bin111001010011…
…0000010110100
32002112012110122
41302212002310
530142241434
62551511112
7513223613
oct162460264
962465418
1030040244
1115a58753
12a088498
1362ba3c0
143dbd87a
152985c2e
hex1ca60b4

30040244 has 24 divisors (see below), whose sum is σ = 56918400. Its totient is φ = 13790304.

The previous prime is 30040237. The next prime is 30040253. The reversal of 30040244 is 44204003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8897 + ... + 11799.

It is an arithmetic number, because the mean of its divisors is an integer number (2371600).

Almost surely, 230040244 is an apocalyptic number.

It is an amenable number.

30040244 is a deficient number, since it is larger than the sum of its proper divisors (26878156).

30040244 is a wasteful number, since it uses less digits than its factorization.

30040244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119 (or 3117 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 30040244 is about 5480.8981015888. The cubic root of 30040244 is about 310.8621301409.

Adding to 30040244 its reverse (44204003), we get a palindrome (74244247).

The spelling of 30040244 in words is "thirty million, forty thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 199 398 796 2587 2903 5174 5806 10348 11612 37739 75478 150956 577697 1155394 2310788 7510061 15020122 30040244