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128052000 = 2532533557
BaseRepresentation
bin1111010000111…
…10101100100000
322220221201022200
413220132230200
5230240131000
620412333200
73113265306
oct750365440
9286851280
10128052000
11663113aa
1236a74200
13206b5c1b
1413014276
15b396500
hex7a1eb20

128052000 has 144 divisors (see below), whose sum is σ = 454584312. Its totient is φ = 34137600.

The previous prime is 128051999. The next prime is 128052011. The reversal of 128052000 is 250821.

It can be written as a sum of positive squares in 4 ways, for example, as 15776784 + 112275216 = 3972^2 + 10596^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 34222 + ... + 37778.

Almost surely, 2128052000 is an apocalyptic number.

128052000 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 128052000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227292156).

128052000 is an abundant number, since it is smaller than the sum of its proper divisors (326532312).

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

128052000 is a wasteful number, since it uses less digits than its factorization.

128052000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588 (or 3567 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 128052000 is about 11316.0063626705. The cubic root of 128052000 is about 504.0366564420.

The spelling of 128052000 in words is "one hundred twenty-eight million, fifty-two thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 72 75 80 90 96 100 120 125 144 150 160 180 200 225 240 250 288 300 360 375 400 450 480 500 600 720 750 800 900 1000 1125 1200 1440 1500 1800 2000 2250 2400 3000 3557 3600 4000 4500 6000 7114 7200 9000 10671 12000 14228 17785 18000 21342 28456 32013 35570 36000 42684 53355 56912 64026 71140 85368 88925 106710 113824 128052 142280 160065 170736 177850 213420 256104 266775 284560 320130 341472 355700 426840 444625 512208 533550 569120 640260 711400 800325 853680 889250 1024416 1067100 1280520 1333875 1422800 1600650 1707360 1778500 2134200 2561040 2667750 2845600 3201300 3557000 4001625 4268400 5122080 5335500 6402600 7114000 8003250 8536800 10671000 12805200 14228000 16006500 21342000 25610400 32013000 42684000 64026000 128052000