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112428420 = 223513144139
BaseRepresentation
bin1101011001110…
…00010110000100
321211112221210120
412230320112010
5212240202140
615053421540
72533424436
oct654702604
9254487716
10112428420
1158510155
123179a8b0
131a3a57c0
1410d08656
159d0c1d0
hex6b38584

112428420 has 48 divisors (see below), whose sum is σ = 339017280. Its totient is φ = 27674496.

The previous prime is 112428419. The next prime is 112428427. The reversal of 112428420 is 24824211.

It is a super-3 number, since 3×1124284203 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (112428427) 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, 71290 + ... + 72849.

It is an arithmetic number, because the mean of its divisors is an integer number (7062860).

Almost surely, 2112428420 is an apocalyptic number.

112428420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112428420 is an abundant number, since it is smaller than the sum of its proper divisors (226588860).

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

112428420 is a wasteful number, since it uses less digits than its factorization.

112428420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144164 (or 144162 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 112428420 is about 10603.2268673268. The cubic root of 112428420 is about 482.6422857951.

The spelling of 112428420 in words is "one hundred twelve million, four hundred twenty-eight thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 144139 288278 432417 576556 720695 864834 1441390 1729668 1873807 2162085 2882780 3747614 4324170 5621421 7495228 8648340 9369035 11242842 18738070 22485684 28107105 37476140 56214210 112428420