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228832000 = 28537151
BaseRepresentation
bin11011010001110…
…11001100000000
3120221120212111021
431220323030000
5432040111000
634412355224
75446016455
oct1550731400
9527525437
10228832000
11108195961
1264775b14
1338540767
142256982c
151515211a
hexda3b300

228832000 has 72 divisors (see below), whose sum is σ = 570128832. Its totient is φ = 91520000.

The previous prime is 228831997. The next prime is 228832027. The reversal of 228832000 is 238822.

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 7 ways as a sum of consecutive naturals, for example, 28425 + ... + 35575.

It is an arithmetic number, because the mean of its divisors is an integer number (7918456).

Almost surely, 2228832000 is an apocalyptic number.

228832000 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 228832000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285064416).

228832000 is an abundant number, since it is smaller than the sum of its proper divisors (341296832).

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

228832000 is an frugal number, since it uses more digits than its factorization.

228832000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7182 (or 7158 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 228832000 is about 15127.1940557395. The cubic root of 228832000 is about 611.6536693710.

The spelling of 228832000 in words is "two hundred twenty-eight million, eight hundred thirty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 640 800 1000 1280 1600 2000 3200 4000 6400 7151 8000 14302 16000 28604 32000 35755 57208 71510 114416 143020 178775 228832 286040 357550 457664 572080 715100 893875 915328 1144160 1430200 1787750 1830656 2288320 2860400 3575500 4576640 5720800 7151000 9153280 11441600 14302000 22883200 28604000 45766400 57208000 114416000 228832000