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30007922 = 275693767
BaseRepresentation
bin111001001111…
…0001001110010
32002110120010112
41302132021302
530140223142
62551101322
7513030440
oct162361162
962416115
1030007922
1115a3643a
12a071842
1362a8789
143db1b90
15297b382
hex1c9e272

30007922 has 16 divisors (see below), whose sum is σ = 51546240. Its totient is φ = 12834528.

The previous prime is 30007919. The next prime is 30007927. The reversal of 30007922 is 22970003.

It is not an unprimeable number, because it can be changed into a prime (30007927) 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, 6083 + ... + 9849.

It is an arithmetic number, because the mean of its divisors is an integer number (3221640).

Almost surely, 230007922 is an apocalyptic number.

30007922 is a deficient number, since it is larger than the sum of its proper divisors (21538318).

30007922 is a wasteful number, since it uses less digits than its factorization.

30007922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 30007922 is about 5477.9487036664. The cubic root of 30007922 is about 310.7505987393.

Adding to 30007922 its reverse (22970003), we get a palindrome (52977925).

The spelling of 30007922 in words is "thirty million, seven thousand, nine hundred twenty-two".

Divisors: 1 2 7 14 569 1138 3767 3983 7534 7966 26369 52738 2143423 4286846 15003961 30007922