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229055688 = 23351729239
BaseRepresentation
bin11011010011100…
…01110011001000
3120222000020100000
431221301303020
5432114240223
634421243000
75450640561
oct1551616310
9528006300
10229055688
11108328a24
1264863460
13385bb514
14225c7168
1515198543
hexda71cc8

229055688 has 192 divisors, whose sum is σ = 707616000. Its totient is φ = 69092352.

The previous prime is 229055653. The next prime is 229055719. The reversal of 229055688 is 886550922.

229055688 is a `hidden beast` number, since 2 + 2 + 90 + 556 + 8 + 8 = 666.

229055688 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 47 ways as a sum of consecutive naturals, for example, 958273 + ... + 958511.

It is an arithmetic number, because the mean of its divisors is an integer number (3685500).

Almost surely, 2229055688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229055688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353808000).

229055688 is an abundant number, since it is smaller than the sum of its proper divisors (478560312).

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

229055688 is a wasteful number, since it uses less digits than its factorization.

229055688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 229055688 is about 15134.5858218849. The cubic root of 229055688 is about 611.8529058252.

The spelling of 229055688 in words is "two hundred twenty-nine million, fifty-five thousand, six hundred eighty-eight".