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112231404 = 223219712311
BaseRepresentation
bin1101011000010…
…00001111101100
321211011221112200
412230020033230
5212212401104
615045301500
72531644155
oct654101754
9254157480
10112231404
115839612a
1231704890
131a336c1c
1410c9692c
159cbdb39
hex6b083ec

112231404 has 72 divisors (see below), whose sum is σ = 302964480. Its totient is φ = 34927200.

The previous prime is 112231349. The next prime is 112231451. The reversal of 112231404 is 404132211.

It is a super-2 number, since 2×1122314042 = 25191776087622432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 47409 + ... + 49719.

It is an arithmetic number, because the mean of its divisors is an integer number (4207840).

Almost surely, 2112231404 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 112231404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151482240).

112231404 is an abundant number, since it is smaller than the sum of its proper divisors (190733076).

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

112231404 is a wasteful number, since it uses less digits than its factorization.

112231404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411 (or 2406 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 112231404 is about 10593.9324143587. The cubic root of 112231404 is about 482.3601986089.

Adding to 112231404 its reverse (404132211), we get a palindrome (516363615).

The spelling of 112231404 in words is "one hundred twelve million, two hundred thirty-one thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 71 76 114 142 171 213 228 284 342 426 639 684 852 1278 1349 2311 2556 2698 4047 4622 5396 6933 8094 9244 12141 13866 16188 20799 24282 27732 41598 43909 48564 83196 87818 131727 164081 175636 263454 328162 395181 492243 526908 656324 790362 984486 1476729 1580724 1968972 2953458 3117539 5906916 6235078 9352617 12470156 18705234 28057851 37410468 56115702 112231404