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128814000 = 2435373067
BaseRepresentation
bin1111010110110…
…00101110110000
322222101102120220
413223120232300
5230434022000
620440533040
73122621010
oct753305660
9288342526
10128814000
1166791957
1237181180
13208c1a03
1413171c40
15b4971a0
hex7ad8bb0

128814000 has 160 divisors (see below), whose sum is σ = 474779136. Its totient is φ = 29433600.

The previous prime is 128813987. The next prime is 128814013. The reversal of 128814000 is 418821.

It is an interprime number because it is at equal distance from previous prime (128813987) and next prime (128814013).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40467 + ... + 43533.

Almost surely, 2128814000 is an apocalyptic number.

128814000 is a gapful number since it is divisible by the number (10) 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 128814000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237389568).

128814000 is an abundant number, since it is smaller than the sum of its proper divisors (345965136).

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

128814000 is a wasteful number, since it uses less digits than its factorization.

128814000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100 (or 3084 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 128814000 is about 11349.6255444838. The cubic root of 128814000 is about 505.0344713913.

The spelling of 128814000 in words is "one hundred twenty-eight million, eight hundred fourteen thousand".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 35 40 42 48 50 56 60 70 75 80 84 100 105 112 120 125 140 150 168 175 200 210 240 250 280 300 336 350 375 400 420 500 525 560 600 700 750 840 875 1000 1050 1200 1400 1500 1680 1750 2000 2100 2625 2800 3000 3067 3500 4200 5250 6000 6134 7000 8400 9201 10500 12268 14000 15335 18402 21000 21469 24536 30670 36804 42000 42938 46005 49072 61340 64407 73608 76675 85876 92010 107345 122680 128814 147216 153350 171752 184020 214690 230025 245360 257628 306700 322035 343504 368040 383375 429380 460050 515256 536725 613400 644070 736080 766750 858760 920100 1030512 1073450 1150125 1226800 1288140 1533500 1610175 1717520 1840200 2146900 2300250 2576280 2683625 3067000 3220350 3680400 4293800 4600500 5152560 5367250 6134000 6440700 8050875 8587600 9201000 10734500 12881400 16101750 18402000 21469000 25762800 32203500 42938000 64407000 128814000