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30008882 = 2234631409
BaseRepresentation
bin111001001111…
…0011000110010
32002110121110002
41302132120302
530140241012
62551110002
7513033311
oct162363062
962417402
1030008882
1115a37132
12a072302
1362a9047
143db2278
15297b7c2
hex1c9e632

30008882 has 16 divisors (see below), whose sum is σ = 47105280. Its totient is φ = 14310912.

The previous prime is 30008879. The next prime is 30008897. The reversal of 30008882 is 28880003.

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, 20594 + ... + 22002.

It is an arithmetic number, because the mean of its divisors is an integer number (2944080).

Almost surely, 230008882 is an apocalyptic number.

30008882 is a deficient number, since it is larger than the sum of its proper divisors (17096398).

30008882 is a wasteful number, since it uses less digits than its factorization.

30008882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 30008882 is about 5478.0363270062. The cubic root of 30008882 is about 310.7539125019.

Adding to 30008882 its reverse (28880003), we get a palindrome (58888885).

The spelling of 30008882 in words is "thirty million, eight thousand, eight hundred eighty-two".

Divisors: 1 2 23 46 463 926 1409 2818 10649 21298 32407 64814 652367 1304734 15004441 30008882