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42834560 = 2751731127
BaseRepresentation
bin1010001101100…
…1101010000000
32222121012222012
42203121222000
541431201220
64130032052
71030042046
oct243315200
988535865
1042834560
11221a726a
1212418628
138b49ac2
145990396
153b61ac5
hex28d9a80

42834560 has 128 divisors (see below), whose sum is σ = 112803840. Its totient is φ = 15482880.

The previous prime is 42834541. The next prime is 42834563. The reversal of 42834560 is 6543824.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (42834563) 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, 337217 + ... + 337343.

It is an arithmetic number, because the mean of its divisors is an integer number (881280).

Almost surely, 242834560 is an apocalyptic number.

42834560 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 42834560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56401920).

42834560 is an abundant number, since it is smaller than the sum of its proper divisors (69969280).

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

42834560 is a wasteful number, since it uses less digits than its factorization.

42834560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 42834560 is about 6544.8116856026. The cubic root of 42834560 is about 349.8899245684.

The spelling of 42834560 in words is "forty-two million, eight hundred thirty-four thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 17 20 31 32 34 40 62 64 68 80 85 124 127 128 136 155 160 170 248 254 272 310 320 340 496 508 527 544 620 635 640 680 992 1016 1054 1088 1240 1270 1360 1984 2032 2108 2159 2176 2480 2540 2635 2720 3937 3968 4064 4216 4318 4960 5080 5270 5440 7874 8128 8432 8636 9920 10160 10540 10795 10880 15748 16256 16864 17272 19685 19840 20320 21080 21590 31496 33728 34544 39370 40640 42160 43180 62992 66929 67456 69088 78740 81280 84320 86360 125984 133858 138176 157480 168640 172720 251968 267716 276352 314960 334645 337280 345440 503936 535432 629920 669290 690880 1070864 1259840 1338580 1381760 2141728 2519680 2677160 4283456 5354320 8566912 10708640 21417280 42834560