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42717888 = 263359419
BaseRepresentation
bin1010001011110…
…1001011000000
32222101021221000
42202331023000
541413433023
64123332000
71026044643
oct242751300
988337830
1042717888
1122127644
1212381000
138b08975
14595da5a
153b3c243
hex28bd2c0

42717888 has 112 divisors (see below), whose sum is σ = 128016000. Its totient is φ = 13964544.

The previous prime is 42717887. The next prime is 42717929. The reversal of 42717888 is 88871724.

It is not an unprimeable number, because it can be changed into a prime (42717887) by changing a digit.

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, 101743 + ... + 102161.

It is an arithmetic number, because the mean of its divisors is an integer number (1143000).

Almost surely, 242717888 is an apocalyptic number.

42717888 is a gapful number since it is divisible by the number (48) 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 42717888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64008000).

42717888 is an abundant number, since it is smaller than the sum of its proper divisors (85298112).

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

42717888 is a wasteful number, since it uses less digits than its factorization.

42717888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 483 counting only the distinct ones).

The product of its digits is 200704, while the sum is 45.

The square root of 42717888 is about 6535.8922879742. The cubic root of 42717888 is about 349.5719610891.

The spelling of 42717888 in words is "forty-two million, seven hundred seventeen thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 59 64 72 96 108 118 144 177 192 216 236 288 354 419 432 472 531 576 708 838 864 944 1062 1257 1416 1593 1676 1728 1888 2124 2514 2832 3186 3352 3771 3776 4248 5028 5664 6372 6704 7542 8496 10056 11313 11328 12744 13408 15084 16992 20112 22626 24721 25488 26816 30168 33984 40224 45252 49442 50976 60336 74163 80448 90504 98884 101952 120672 148326 181008 197768 222489 241344 296652 362016 395536 444978 593304 667467 724032 791072 889956 1186608 1334934 1582144 1779912 2373216 2669868 3559824 4746432 5339736 7119648 10679472 14239296 21358944 42717888