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2628000 = 25325373
BaseRepresentation
bin1010000001100110100000
311221111221100
422001212200
51133044000
6132154400
731223544
oct12014640
94844840
102628000
111535501
12a68a00
1371023b
144c5a24
1536da00
hex2819a0

2628000 has 144 divisors (see below), whose sum is σ = 9454536. Its totient is φ = 691200.

The previous prime is 2627993. The next prime is 2628053. The reversal of 2628000 is 8262.

2628000 = T231 + T232 + ... + T303.

It can be written as a sum of positive squares in 4 ways, for example, as 853776 + 1774224 = 924^2 + 1332^2 .

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 a zygodrome in base 3.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35964 + ... + 36036.

22628000 is an apocalyptic number.

2628000 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 2628000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4727268).

2628000 is an abundant number, since it is smaller than the sum of its proper divisors (6826536).

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

2628000 is a wasteful number, since it uses less digits than its factorization.

2628000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2628000 is about 1621.1107303328. The cubic root of 2628000 is about 137.9987397490.

The spelling of 2628000 in words is "two million, six hundred twenty-eight 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 73 75 80 90 96 100 120 125 144 146 150 160 180 200 219 225 240 250 288 292 300 360 365 375 400 438 450 480 500 584 600 657 720 730 750 800 876 900 1000 1095 1125 1168 1200 1314 1440 1460 1500 1752 1800 1825 2000 2190 2250 2336 2400 2628 2920 3000 3285 3504 3600 3650 4000 4380 4500 5256 5475 5840 6000 6570 7008 7200 7300 8760 9000 9125 10512 10950 11680 12000 13140 14600 16425 17520 18000 18250 21024 21900 26280 27375 29200 32850 35040 36000 36500 43800 52560 54750 58400 65700 73000 82125 87600 105120 109500 131400 146000 164250 175200 219000 262800 292000 328500 438000 525600 657000 876000 1314000 2628000