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228430700 = 225217134371
BaseRepresentation
bin11011001110110…
…01001101101100
3120220211111000022
431213121031230
5431434240300
634400021312
75442425501
oct1547311554
9526744008
10228430700
11107a41403
1264601838
133842cbc4
14224a34a8
15150c3285
hexd9d936c

228430700 has 36 divisors (see below), whose sum is σ = 524857032. Its totient is φ = 85996800.

The previous prime is 228430627. The next prime is 228430729. The reversal of 228430700 is 7034822.

228430700 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 228430700.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65486 + ... + 68885.

It is an arithmetic number, because the mean of its divisors is an integer number (14579362).

Almost surely, 2228430700 is an apocalyptic number.

228430700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228430700 is an abundant number, since it is smaller than the sum of its proper divisors (296426332).

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

228430700 is a wasteful number, since it uses less digits than its factorization.

228430700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134402 (or 134395 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 228430700 is about 15113.9240437419. The cubic root of 228430700 is about 611.2959101965.

The spelling of 228430700 in words is "two hundred twenty-eight million, four hundred thirty thousand, seven hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 340 425 850 1700 134371 268742 537484 671855 1343710 2284307 2687420 3359275 4568614 6718550 9137228 11421535 13437100 22843070 45686140 57107675 114215350 228430700