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226181688 = 2339424237
BaseRepresentation
bin11010111101101…
…00001000111000
3120202121012221120
431132310020320
5430400303223
634235505240
75414340555
oct1536641070
9522535846
10226181688
11106745717
12638b8220
1337b23325
1422079a2c
1514ccbbe3
hexd7b4238

226181688 has 16 divisors (see below), whose sum is σ = 565454280. Its totient is φ = 75393888.

The previous prime is 226181653. The next prime is 226181689. The reversal of 226181688 is 886181622.

226181688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226181689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4712095 + ... + 4712142.

Almost surely, 2226181688 is an apocalyptic number.

It is an amenable number.

226181688 is an abundant number, since it is smaller than the sum of its proper divisors (339272592).

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

226181688 is a wasteful number, since it uses less digits than its factorization.

226181688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9424246 (or 9424242 counting only the distinct ones).

The product of its digits is 73728, while the sum is 42.

The square root of 226181688 is about 15039.3380173464. The cubic root of 226181688 is about 609.2831209378.

The spelling of 226181688 in words is "two hundred twenty-six million, one hundred eighty-one thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 9424237 18848474 28272711 37696948 56545422 75393896 113090844 226181688