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118272140 = 22574431907
BaseRepresentation
bin1110000110010…
…11000010001100
322020112211212122
413003023002030
5220234202030
615422552112
72634203510
oct703130214
9266484778
10118272140
1160841678
1233738638
131b67061c
14119ca140
15a5b38e5
hex70cb08c

118272140 has 48 divisors (see below), whose sum is σ = 284643072. Its totient is φ = 40437696.

The previous prime is 118272103. The next prime is 118272157. The reversal of 118272140 is 41272811.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61067 + ... + 62973.

It is an arithmetic number, because the mean of its divisors is an integer number (5930064).

Almost surely, 2118272140 is an apocalyptic number.

118272140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118272140 is an abundant number, since it is smaller than the sum of its proper divisors (166370932).

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

118272140 is a wasteful number, since it uses less digits than its factorization.

118272140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 118272140 is about 10875.2995361047. The cubic root of 118272140 is about 490.8635888532.

The spelling of 118272140 in words is "one hundred eighteen million, two hundred seventy-two thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 443 886 1772 1907 2215 3101 3814 4430 6202 7628 8860 9535 12404 13349 15505 19070 26698 31010 38140 53396 62020 66745 133490 266980 844801 1689602 3379204 4224005 5913607 8448010 11827214 16896020 23654428 29568035 59136070 118272140