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228058000 = 24531011129
BaseRepresentation
bin11011001011111…
…10001110010000
3120220010112202121
431211332032100
5431340324000
634344024024
75436314062
oct1545761620
9526115677
10228058000
11107807395
1264462014
133832c381
1422407732
151504cb1a
hexd97e390

228058000 has 80 divisors (see below), whose sum is σ = 557397360. Its totient is φ = 90240000.

The previous prime is 228057997. The next prime is 228058013. The reversal of 228058000 is 850822.

It can be written as a sum of positive squares in 8 ways, for example, as 63808144 + 164249856 = 7988^2 + 12816^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×2280580003 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201436 + ... + 202564.

It is an arithmetic number, because the mean of its divisors is an integer number (6967467).

Almost surely, 2228058000 is an apocalyptic number.

228058000 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 228058000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278698680).

228058000 is an abundant number, since it is smaller than the sum of its proper divisors (329339360).

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

228058000 is a wasteful number, since it uses less digits than its factorization.

228058000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 228058000 is about 15101.5893203331. The cubic root of 228058000 is about 610.9632724719.

The spelling of 228058000 in words is "two hundred twenty-eight million, fifty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 101 125 200 202 250 400 404 500 505 808 1000 1010 1129 1616 2000 2020 2258 2525 4040 4516 5050 5645 8080 9032 10100 11290 12625 18064 20200 22580 25250 28225 40400 45160 50500 56450 90320 101000 112900 114029 141125 202000 225800 228058 282250 451600 456116 564500 570145 912232 1129000 1140290 1824464 2258000 2280580 2850725 4561160 5701450 9122320 11402900 14253625 22805800 28507250 45611600 57014500 114029000 228058000