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42270560 = 25561271
BaseRepresentation
bin1010000100111…
…1111101100000
32221112120022022
42201033331200
541310124220
64110001012
71022202533
oct241177540
987476268
1042270560
1121951552
12121a6168
1389b0187
145884a1a
153a9e925
hex284ff60

42270560 has 72 divisors (see below), whose sum is σ = 102958128. Its totient is φ = 16396800.

The previous prime is 42270541. The next prime is 42270581. The reversal of 42270560 is 6507224.

42270560 = T23 + T24 + ... + T632.

42270560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 595325 + ... + 595395.

It is an arithmetic number, because the mean of its divisors is an integer number (1429974).

Almost surely, 242270560 is an apocalyptic number.

42270560 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 42270560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51479064).

42270560 is an abundant number, since it is smaller than the sum of its proper divisors (60687568).

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

42270560 is an equidigital number, since it uses as much as digits as its factorization.

42270560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 139 counting only the distinct ones).

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

The square root of 42270560 is about 6501.5813461034. The cubic root of 42270560 is about 348.3474751908.

Adding to 42270560 its reverse (6507224), we get a palindrome (48777784).

The spelling of 42270560 in words is "forty-two million, two hundred seventy thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 61 71 80 122 142 160 244 284 305 355 488 568 610 710 976 1136 1220 1420 1952 2272 2440 2840 3721 4331 4880 5680 7442 8662 9760 11360 14884 17324 18605 21655 29768 34648 37210 43310 59536 69296 74420 86620 119072 138592 148840 173240 264191 297680 346480 528382 595360 692960 1056764 1320955 2113528 2641910 4227056 5283820 8454112 10567640 21135280 42270560