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112403440 = 2458915787
BaseRepresentation
bin1101011001100…
…10001111110000
321211111200112101
412230302033300
5212233402230
615053110144
72533261552
oct654621760
9254450471
10112403440
11584a3406
1231788354
131a397316
1410cdd4d2
159d04aca
hex6b323f0

112403440 has 40 divisors (see below), whose sum is σ = 264291120. Its totient is φ = 44453376.

The previous prime is 112403413. The next prime is 112403443. The reversal of 112403440 is 44304211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112403443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774 + ... + 15013.

It is an arithmetic number, because the mean of its divisors is an integer number (6607278).

Almost surely, 2112403440 is an apocalyptic number.

112403440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112403440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132145560).

112403440 is an abundant number, since it is smaller than the sum of its proper divisors (151887680).

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

112403440 is a wasteful number, since it uses less digits than its factorization.

112403440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15889 (or 15883 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 112403440 is about 10602.0488585933. The cubic root of 112403440 is about 482.6065377243.

Adding to 112403440 its reverse (44304211), we get a palindrome (156707651).

The spelling of 112403440 in words is "one hundred twelve million, four hundred three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 89 178 356 445 712 890 1424 1780 3560 7120 15787 31574 63148 78935 126296 157870 252592 315740 631480 1262960 1405043 2810086 5620172 7025215 11240344 14050430 22480688 28100860 56201720 112403440