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112280 = 2357401
BaseRepresentation
bin11011011010011000
312201000112
4123122120
512043110
62223452
7645230
oct333230
9181015
10112280
11773a3
1254b88
133c14c
142ccc0
1523405
hex1b698

112280 has 32 divisors (see below), whose sum is σ = 289440. Its totient is φ = 38400.

The previous prime is 112279. The next prime is 112289. The reversal of 112280 is 82211.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112289) 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, 80 + ... + 480.

It is an arithmetic number, because the mean of its divisors is an integer number (9045).

2112280 is an apocalyptic number.

112280 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 112280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144720).

112280 is an abundant number, since it is smaller than the sum of its proper divisors (177160).

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

112280 is a wasteful number, since it uses less digits than its factorization.

112280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 112280 is about 335.0820794969. The cubic root of 112280 is about 48.2429808935.

Adding to 112280 its reverse (82211), we get a palindrome (194491).

The spelling of 112280 in words is "one hundred twelve thousand, two hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 401 802 1604 2005 2807 3208 4010 5614 8020 11228 14035 16040 22456 28070 56140 112280