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228708304 = 241111291151
BaseRepresentation
bin11011010000111…
…00111111010000
3120221100120210221
431220130333100
5432022131204
634410002424
75444663026
oct1550347720
9527316727
10228708304
11108110a30
1264716414
13384c9376
1422536716
151512a654
hexda1cfd0

228708304 has 40 divisors (see below), whose sum is σ = 484254720. Its totient is φ = 103776000.

The previous prime is 228708287. The next prime is 228708313. The reversal of 228708304 is 403807822.

It is a self number, because there is not a number n which added to its sum of digits gives 228708304.

It is a congruent number.

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, 198129 + ... + 199279.

It is an arithmetic number, because the mean of its divisors is an integer number (12106368).

Almost surely, 2228708304 is an apocalyptic number.

It is an amenable number.

228708304 is an abundant number, since it is smaller than the sum of its proper divisors (255546416).

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

228708304 is a wasteful number, since it uses less digits than its factorization.

228708304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299 (or 2293 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 228708304 is about 15123.1049721940. The cubic root of 228708304 is about 611.5434389414.

The spelling of 228708304 in words is "two hundred twenty-eight million, seven hundred eight thousand, three hundred four".

Divisors: 1 2 4 8 11 16 22 44 88 176 1129 1151 2258 2302 4516 4604 9032 9208 12419 12661 18064 18416 24838 25322 49676 50644 99352 101288 198704 202576 1299479 2598958 5197916 10395832 14294269 20791664 28588538 57177076 114354152 228708304