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228652648 = 2374083083
BaseRepresentation
bin11011010000011…
…11011001101000
3120221020202110121
431220033121220
5432013341043
634404453024
75444341540
oct1550173150
9527222417
10228652648
11108083134
12646aa174
13384a9c33
1422520320
1515118ded
hexda0f668

228652648 has 16 divisors (see below), whose sum is σ = 489970080. Its totient is φ = 97993968.

The previous prime is 228652639. The next prime is 228652661. The reversal of 228652648 is 846256822.

228652648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2041486 + ... + 2041597.

It is an arithmetic number, because the mean of its divisors is an integer number (30623130).

Almost surely, 2228652648 is an apocalyptic number.

228652648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228652648 is an abundant number, since it is smaller than the sum of its proper divisors (261317432).

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

228652648 is a wasteful number, since it uses less digits than its factorization.

228652648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083096 (or 4083092 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 228652648 is about 15121.2647619172. The cubic root of 228652648 is about 611.4938286995.

The spelling of 228652648 in words is "two hundred twenty-eight million, six hundred fifty-two thousand, six hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 56 4083083 8166166 16332332 28581581 32664664 57163162 114326324 228652648