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228906832 = 247211219127
BaseRepresentation
bin11011010010011…
…01011101010000
3120221201200010211
431221031131100
5432100004312
634414133504
75446450600
oct1551153520
9527650124
10228906832
11108237100
12647b1294
133856883b
1422588c00
15151693a7
hexda4d750

228906832 has 180 divisors, whose sum is σ = 601628160. Its totient is φ = 83825280.

The previous prime is 228906829. The next prime is 228906857. The reversal of 228906832 is 238609822.

228906832 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1802353 + ... + 1802479.

Almost surely, 2228906832 is an apocalyptic number.

228906832 is a gapful number since it is divisible by the number (22) 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 228906832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300814080).

228906832 is an abundant number, since it is smaller than the sum of its proper divisors (372721328).

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

228906832 is a wasteful number, since it uses less digits than its factorization.

228906832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 228906832 is about 15129.6672798842. The cubic root of 228906832 is about 611.7203358614.

The spelling of 228906832 in words is "two hundred twenty-eight million, nine hundred six thousand, eight hundred thirty-two".