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8740140 = 22353137127
BaseRepresentation
bin100001010101…
…110100101100
3121110001012220
4201111310230
54214141030
6511155340
7134201313
oct41256454
917401186
108740140
114a2a662
122b15b50
131a702a6
14123727a
15b79a10
hex855d2c

8740140 has 96 divisors (see below), whose sum is σ = 26148864. Its totient is φ = 2177280.

The previous prime is 8740139. The next prime is 8740157. The reversal of 8740140 is 410478.

It is a self number, because there is not a number n which added to its sum of digits gives 8740140.

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 31 ways as a sum of consecutive naturals, for example, 68757 + ... + 68883.

It is an arithmetic number, because the mean of its divisors is an integer number (272384).

Almost surely, 28740140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8740140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13074432).

8740140 is an abundant number, since it is smaller than the sum of its proper divisors (17408724).

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

8740140 is a wasteful number, since it uses less digits than its factorization.

8740140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 8740140 is about 2956.3727775773. The cubic root of 8740140 is about 205.9868342357.

The spelling of 8740140 in words is "eight million, seven hundred forty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 37 60 62 74 93 111 124 127 148 155 185 186 222 254 310 370 372 381 444 465 508 555 620 635 740 762 930 1110 1147 1270 1524 1860 1905 2220 2294 2540 3441 3810 3937 4588 4699 5735 6882 7620 7874 9398 11470 11811 13764 14097 15748 17205 18796 19685 22940 23495 23622 28194 34410 39370 46990 47244 56388 59055 68820 70485 78740 93980 118110 140970 145669 236220 281940 291338 437007 582676 728345 874014 1456690 1748028 2185035 2913380 4370070 8740140