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228688204 = 22300119051
BaseRepresentation
bin11011010000110…
…00000101001100
3120221022120020111
431220120011030
5432021010304
634405325404
75444550313
oct1550300514
9527276214
10228688204
111080a7918
1264706864
13384c0184
142252d27a
1515124704
hexda1814c

228688204 has 12 divisors (see below), whose sum is σ = 400358728. Its totient is φ = 114300000.

The previous prime is 228688193. The next prime is 228688217. The reversal of 228688204 is 402886822.

It is a super-3 number, since 3×2286882043 (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2479 + ... + 21529.

Almost surely, 2228688204 is an apocalyptic number.

It is an amenable number.

228688204 is a deficient number, since it is larger than the sum of its proper divisors (171670524).

228688204 is a wasteful number, since it uses less digits than its factorization.

228688204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22056 (or 22054 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 228688204 is about 15122.4404115209. The cubic root of 228688204 is about 611.5255232777.

The spelling of 228688204 in words is "two hundred twenty-eight million, six hundred eighty-eight thousand, two hundred four".

Divisors: 1 2 4 3001 6002 12004 19051 38102 76204 57172051 114344102 228688204