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30986832 = 2434315013
BaseRepresentation
bin111011000110…
…1001001010000
32011022021221110
41312031021100
530413034312
63024053320
7524245422
oct166151120
964267843
1030986832
1116544958
12a464240
13655c206
144188812
152ac143c
hex1d8d250

30986832 has 40 divisors (see below), whose sum is σ = 81916384. Its totient is φ = 10088064.

The previous prime is 30986831. The next prime is 30986833. The reversal of 30986832 is 23868903.

It is an interprime number because it is at equal distance from previous prime (30986831) and next prime (30986833).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30986831) by changing a digit.

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, 5443 + ... + 9570.

Almost surely, 230986832 is an apocalyptic number.

It is an amenable number.

30986832 is an abundant number, since it is smaller than the sum of its proper divisors (50929552).

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

30986832 is a wasteful number, since it uses less digits than its factorization.

30986832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15067 (or 15061 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 30986832 is about 5566.5817159187. The cubic root of 30986832 is about 314.0935796920.

The spelling of 30986832 in words is "thirty million, nine hundred eighty-six thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 43 48 86 129 172 258 344 516 688 1032 2064 15013 30026 45039 60052 90078 120104 180156 240208 360312 645559 720624 1291118 1936677 2582236 3873354 5164472 7746708 10328944 15493416 30986832