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30000044 = 2237613323
BaseRepresentation
bin111001001110…
…0001110101100
32002110011022202
41302130032230
530140000134
62551001032
7512665454
oct162341654
962404282
1030000044
1115a30528
12a069178
1362a5009
143dacd64
152978d7e
hex1c9c3ac

30000044 has 24 divisors (see below), whose sum is σ = 54819408. Its totient is φ = 14351040.

The previous prime is 30000041. The next prime is 30000049. The reversal of 30000044 is 44000003.

It is not an unprimeable number, because it can be changed into a prime (30000041) 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, 7367 + ... + 10689.

It is an arithmetic number, because the mean of its divisors is an integer number (2284142).

Almost surely, 230000044 is an apocalyptic number.

It is an amenable number.

30000044 is a deficient number, since it is larger than the sum of its proper divisors (24819364).

30000044 is a wasteful number, since it uses less digits than its factorization.

30000044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425 (or 3423 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 30000044 is about 5477.2295916823. The cubic root of 30000044 is about 310.7234025045.

Adding to 30000044 its reverse (44000003), we get a palindrome (74000047).

The spelling of 30000044 in words is "thirty million, forty-four", and thus it is an aban number and an eban number.

Divisors: 1 2 4 37 61 74 122 148 244 2257 3323 4514 6646 9028 13292 122951 202703 245902 405406 491804 810812 7500011 15000022 30000044