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224385000 = 2335472137
BaseRepresentation
bin11010101111111…
…01011111101000
3120122012221100120
431113331133220
5424420310000
634133203240
75363145450
oct1527753750
9518187316
10224385000
11105728854
1263190520
13376445b8
1421b2cd60
1514a746a0
hexd5fd7e8

224385000 has 160 divisors (see below), whose sum is σ = 801493440. Its totient is φ = 51264000.

The previous prime is 224384999. The next prime is 224385017. The reversal of 224385000 is 583422.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 103932 + ... + 106068.

It is an arithmetic number, because the mean of its divisors is an integer number (5009334).

Almost surely, 2224385000 is an apocalyptic number.

224385000 is a gapful number since it is divisible by the number (20) 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 224385000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400746720).

224385000 is an abundant number, since it is smaller than the sum of its proper divisors (577108440).

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

224385000 is a wasteful number, since it uses less digits than its factorization.

224385000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173 (or 2154 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 224385000 is about 14979.4859724892. The cubic root of 224385000 is about 607.6655377096.

The spelling of 224385000 in words is "two hundred twenty-four million, three hundred eighty-five thousand".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 50 56 60 70 75 84 100 105 120 125 140 150 168 175 200 210 250 280 300 350 375 420 500 525 600 625 700 750 840 875 1000 1050 1250 1400 1500 1750 1875 2100 2137 2500 2625 3000 3500 3750 4200 4274 4375 5000 5250 6411 7000 7500 8548 8750 10500 10685 12822 13125 14959 15000 17096 17500 21000 21370 25644 26250 29918 32055 35000 42740 44877 51288 52500 53425 59836 64110 74795 85480 89754 105000 106850 119672 128220 149590 160275 179508 213700 224385 256440 267125 299180 320550 359016 373975 427400 448770 534250 598360 641100 747950 801375 897540 1068500 1121925 1282200 1335625 1495900 1602750 1795080 1869875 2137000 2243850 2671250 2991800 3205500 3739750 4006875 4487700 5342500 5609625 6411000 7479500 8013750 8975400 9349375 10685000 11219250 14959000 16027500 18698750 22438500 28048125 32055000 37397500 44877000 56096250 74795000 112192500 224385000