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30884112 = 2433721459
BaseRepresentation
bin111010111010…
…0000100010000
32011010002001000
41311310010100
530401242422
63021542000
7523340100
oct165640420
964102030
1030884112
1116484766
12a414900
13652452c
14415d200
152aa0cac
hex1d74110

30884112 has 120 divisors (see below), whose sum is σ = 103192800. Its totient is φ = 8817984.

The previous prime is 30884059. The next prime is 30884129. The reversal of 30884112 is 21148803.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20439 + ... + 21897.

It is an arithmetic number, because the mean of its divisors is an integer number (859940).

Almost surely, 230884112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30884112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51596400).

30884112 is an abundant number, since it is smaller than the sum of its proper divisors (72308688).

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

30884112 is a wasteful number, since it uses less digits than its factorization.

30884112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490 (or 1471 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 30884112 is about 5557.3475687598. The cubic root of 30884112 is about 313.7461266274.

The spelling of 30884112 in words is "thirty million, eight hundred eighty-four thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 49 54 56 63 72 84 98 108 112 126 144 147 168 189 196 216 252 294 336 378 392 432 441 504 588 756 784 882 1008 1176 1323 1459 1512 1764 2352 2646 2918 3024 3528 4377 5292 5836 7056 8754 10213 10584 11672 13131 17508 20426 21168 23344 26262 30639 35016 39393 40852 52524 61278 70032 71491 78786 81704 91917 105048 122556 142982 157572 163408 183834 210096 214473 245112 275751 285964 315144 367668 428946 490224 551502 571928 630288 643419 735336 857892 1103004 1143856 1286838 1470672 1715784 1930257 2206008 2573676 3431568 3860514 4412016 5147352 7721028 10294704 15442056 30884112