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228828000 = 2535319069
BaseRepresentation
bin11011010001110…
…10001101100000
3120221120200000010
431220322031200
5432034444000
634412324520
75446002012
oct1550721540
9527520003
10228828000
11108192955
1264773740
133853b9ab
14225681b2
1515150d50
hexda3a360

228828000 has 96 divisors (see below), whose sum is σ = 749679840. Its totient is φ = 61017600.

The previous prime is 228827999. The next prime is 228828013. The reversal of 228828000 is 828822.

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 a congruent number.

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, 2466 + ... + 21534.

It is an arithmetic number, because the mean of its divisors is an integer number (7809165).

Almost surely, 2228828000 is an apocalyptic number.

228828000 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 228828000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374839920).

228828000 is an abundant number, since it is smaller than the sum of its proper divisors (520851840).

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

228828000 is a wasteful number, since it uses less digits than its factorization.

228828000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19097 (or 19079 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 228828000 is about 15127.0618429357. The cubic root of 228828000 is about 611.6501054334.

The spelling of 228828000 in words is "two hundred twenty-eight 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 19069 38138 57207 76276 95345 114414 152552 190690 228828 286035 305104 381380 457656 476725 572070 610208 762760 915312 953450 1144140 1430175 1525520 1830624 1906900 2288280 2383625 2860350 3051040 3813800 4576560 4767250 5720700 7150875 7627600 9153120 9534500 11441400 14301750 15255200 19069000 22882800 28603500 38138000 45765600 57207000 76276000 114414000 228828000