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42255200 = 25521317239
BaseRepresentation
bin1010000100110…
…0001101100000
32221111210020102
42201030031200
541304131300
64105401532
71022110001
oct241141540
987453212
1042255200
1121940a59
12121992a8
1389a61a0
14587d1a8
153a9a0d5
hex284c360

42255200 has 144 divisors (see below), whose sum is σ = 118117440. Its totient is φ = 14622720.

The previous prime is 42255181. The next prime is 42255223. The reversal of 42255200 is 255224.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176681 + ... + 176919.

It is an arithmetic number, because the mean of its divisors is an integer number (820260).

Almost surely, 242255200 is an apocalyptic number.

42255200 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 42255200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59058720).

42255200 is an abundant number, since it is smaller than the sum of its proper divisors (75862240).

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

42255200 is a wasteful number, since it uses less digits than its factorization.

42255200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 42255200 is about 6500.3999876931. The cubic root of 42255200 is about 348.3052766690.

The spelling of 42255200 in words is "forty-two million, two hundred fifty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 16 17 20 25 26 32 34 40 50 52 65 68 80 85 100 104 130 136 160 170 200 208 221 239 260 272 325 340 400 416 425 442 478 520 544 650 680 800 850 884 956 1040 1105 1195 1300 1360 1700 1768 1912 2080 2210 2390 2600 2720 3107 3400 3536 3824 4063 4420 4780 5200 5525 5975 6214 6800 7072 7648 8126 8840 9560 10400 11050 11950 12428 13600 15535 16252 17680 19120 20315 22100 23900 24856 31070 32504 35360 38240 40630 44200 47800 49712 52819 62140 65008 77675 81260 88400 95600 99424 101575 105638 124280 130016 155350 162520 176800 191200 203150 211276 248560 264095 310700 325040 406300 422552 497120 528190 621400 650080 812600 845104 1056380 1242800 1320475 1625200 1690208 2112760 2485600 2640950 3250400 4225520 5281900 8451040 10563800 21127600 42255200