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112784940 = 22335331631
BaseRepresentation
bin1101011100011…
…11011000101100
321212020001212000
412232033120230
5212333104230
615105212300
72536441032
oct656173054
9255201760
10112784940
1158733aa4
1231931090
131a49bb68
1410d9c552
159d7cb60
hex6b8f62c

112784940 has 96 divisors (see below), whose sum is σ = 352504320. Its totient is φ = 29937600.

The previous prime is 112784933. The next prime is 112784941. The reversal of 112784940 is 49487211.

It is a super-3 number, since 3×1127849403 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 112784895 and 112784904.

It is not an unprimeable number, because it can be changed into a prime (112784941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178425 + ... + 179055.

It is an arithmetic number, because the mean of its divisors is an integer number (3671920).

Almost surely, 2112784940 is an apocalyptic number.

112784940 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 112784940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176252160).

112784940 is an abundant number, since it is smaller than the sum of its proper divisors (239719380).

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

112784940 is a wasteful number, since it uses less digits than its factorization.

112784940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 112784940 is about 10620.0254236984. The cubic root of 112784940 is about 483.1519139446.

The spelling of 112784940 in words is "one hundred twelve million, seven hundred eighty-four thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 331 540 631 662 993 1262 1324 1655 1893 1986 2524 2979 3155 3310 3786 3972 4965 5679 5958 6310 6620 7572 8937 9465 9930 11358 11916 12620 14895 17037 17874 18930 19860 22716 28395 29790 34074 35748 37860 44685 56790 59580 68148 85185 89370 113580 170370 178740 208861 340740 417722 626583 835444 1044305 1253166 1879749 2088610 2506332 3132915 3759498 4177220 5639247 6265830 7518996 9398745 11278494 12531660 18797490 22556988 28196235 37594980 56392470 112784940