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255828000 = 2535321319
BaseRepresentation
bin11110011111110…
…10000000100000
3122211101102001010
433033322000200
51010442444000
641215140520
76224334141
oct1717720040
9584342033
10255828000
111214543aa
1271814740
134100331c
1425d95ac8
15176d5d50
hexf3fa020

255828000 has 96 divisors (see below), whose sum is σ = 838131840. Its totient is φ = 68217600.

The previous prime is 255827983. The next prime is 255828017. The reversal of 255828000 is 828552.

It is an interprime number because it is at equal distance from previous prime (255827983) and next prime (255828017).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 1341 + ... + 22659.

It is an arithmetic number, because the mean of its divisors is an integer number (8730540).

Almost surely, 2255828000 is an apocalyptic number.

255828000 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 255828000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419065920).

255828000 is an abundant number, since it is smaller than the sum of its proper divisors (582303840).

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

255828000 is a wasteful number, since it uses less digits than its factorization.

255828000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21347 (or 21329 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 255828000 is about 15994.6240968645. The cubic root of 255828000 is about 634.8181842499.

The spelling of 255828000 in words is "two hundred fifty-five million, eight hundred twenty-eight thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 125 150 160 200 240 250 300 375 400 480 500 600 750 800 1000 1200 1500 2000 2400 3000 4000 6000 12000 21319 42638 63957 85276 106595 127914 170552 213190 255828 319785 341104 426380 511656 532975 639570 682208 852760 1023312 1065950 1279140 1598925 1705520 2046624 2131900 2558280 2664875 3197850 3411040 4263800 5116560 5329750 6395700 7994625 8527600 10233120 10659500 12791400 15989250 17055200 21319000 25582800 31978500 42638000 51165600 63957000 85276000 127914000 255828000