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42735140 = 2257383797
BaseRepresentation
bin1010001100000…
…1011000100100
32222102011120222
42203001120210
541420011030
64123543512
71026146150
oct243013044
988364528
1042735140
11221395a8
121238ab98
138b13786
145966060
153b423e5
hex28c1624

42735140 has 48 divisors (see below), whose sum is σ = 102961152. Its totient is φ = 14595456.

The previous prime is 42735139. The next prime is 42735157. The reversal of 42735140 is 4153724.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53222 + ... + 54018.

It is an arithmetic number, because the mean of its divisors is an integer number (2145024).

Almost surely, 242735140 is an apocalyptic number.

It is an amenable number.

42735140 is an abundant number, since it is smaller than the sum of its proper divisors (60226012).

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

42735140 is a wasteful number, since it uses less digits than its factorization.

42735140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1194 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 42735140 is about 6537.2119439406. The cubic root of 42735140 is about 349.6190140067.

Adding to 42735140 its reverse (4153724), we get a palindrome (46888864).

It can be divided in two parts, 42735 and 140, that added together give a cube (42875 = 353).

The spelling of 42735140 in words is "forty-two million, seven hundred thirty-five thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 383 766 797 1532 1594 1915 2681 3188 3830 3985 5362 5579 7660 7970 10724 11158 13405 15940 22316 26810 27895 53620 55790 111580 305251 610502 1221004 1526255 2136757 3052510 4273514 6105020 8547028 10683785 21367570 42735140