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42541000 = 2353192239
BaseRepresentation
bin1010001001000…
…1111111001000
32222001022021121
42202101333020
541342303000
64115445024
71024410145
oct242217710
988038247
1042541000
1122016757
12122b6774
138a762b8
1459153cc
153b04b1a
hex2891fc8

42541000 has 64 divisors (see below), whose sum is σ = 104832000. Its totient is φ = 16113600.

The previous prime is 42540989. The next prime is 42541001. The reversal of 42541000 is 14524.

It is not an unprimeable number, because it can be changed into a prime (42541001) 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, 17881 + ... + 20119.

It is an arithmetic number, because the mean of its divisors is an integer number (1638000).

Almost surely, 242541000 is an apocalyptic number.

42541000 is a gapful number since it is divisible by the number (40) 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 42541000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52416000).

42541000 is an abundant number, since it is smaller than the sum of its proper divisors (62291000).

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

42541000 is a wasteful number, since it uses less digits than its factorization.

42541000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279 (or 2265 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 42541000 is about 6522.3462036295. The cubic root of 42541000 is about 349.0887862054.

Adding to 42541000 its reverse (14524), we get a palindrome (42555524).

The spelling of 42541000 in words is "forty-two million, five hundred forty-one thousand".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 125 152 190 200 250 380 475 500 760 950 1000 1900 2239 2375 3800 4478 4750 8956 9500 11195 17912 19000 22390 42541 44780 55975 85082 89560 111950 170164 212705 223900 279875 340328 425410 447800 559750 850820 1063525 1119500 1701640 2127050 2239000 4254100 5317625 8508200 10635250 21270500 42541000