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30340112 = 24111943211
BaseRepresentation
bin111001110111…
…1010000010000
32010002102210212
41303233100100
530231340422
63002143252
7515613065
oct163572020
963072725
1030340112
1116142a80
12a1b1b28
136393a3a
14405ac6c
1529e49e2
hex1cef410

30340112 has 80 divisors (see below), whose sum is σ = 69400320. Its totient is φ = 12700800.

The previous prime is 30340109. The next prime is 30340117. The reversal of 30340112 is 21104303.

It is not an unprimeable number, because it can be changed into a prime (30340117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143687 + ... + 143897.

It is an arithmetic number, because the mean of its divisors is an integer number (867504).

Almost surely, 230340112 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 30340112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34700160).

30340112 is an abundant number, since it is smaller than the sum of its proper divisors (39060208).

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

30340112 is a wasteful number, since it uses less digits than its factorization.

30340112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 30340112 is about 5508.1859082642. The cubic root of 30340112 is about 311.8930709620.

Adding to 30340112 its reverse (21104303), we get a palindrome (51444415).

The spelling of 30340112 in words is "thirty million, three hundred forty thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 19 22 38 43 44 76 86 88 152 172 176 209 211 304 344 418 422 473 688 817 836 844 946 1634 1672 1688 1892 2321 3268 3344 3376 3784 4009 4642 6536 7568 8018 8987 9073 9284 13072 16036 17974 18146 18568 32072 35948 36292 37136 44099 64144 71896 72584 88198 99803 143792 145168 172387 176396 199606 344774 352792 399212 689548 705584 798424 1379096 1596848 1896257 2758192 3792514 7585028 15170056 30340112