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229897236 = 223231038087
BaseRepresentation
bin11011011001111…
…11010000010100
3121000120222201110
431230333100110
5432323202421
634451255020
75461044222
oct1554772024
9530528643
10229897236
11108853218
1264baa470
133882458a
1422765b12
15152b2a76
hexdb3f414

229897236 has 48 divisors (see below), whose sum is σ = 565254144. Its totient is φ = 72579936.

The previous prime is 229897211. The next prime is 229897267. The reversal of 229897236 is 632798922.

229897236 is digitally balanced in base 3, because in such base 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 15 ways as a sum of consecutive naturals, for example, 24385 + ... + 32471.

It is an arithmetic number, because the mean of its divisors is an integer number (11776128).

Almost surely, 2229897236 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 229897236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282627072).

229897236 is an abundant number, since it is smaller than the sum of its proper divisors (335356908).

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

229897236 is a wasteful number, since it uses less digits than its factorization.

229897236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8220 (or 8218 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 229897236 is about 15162.3624808273. The cubic root of 229897236 is about 612.6013035829.

The spelling of 229897236 in words is "two hundred twenty-nine million, eight hundred ninety-seven thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 23 46 69 92 103 138 206 276 309 412 618 1236 2369 4738 7107 8087 9476 14214 16174 24261 28428 32348 48522 97044 186001 372002 558003 744004 832961 1116006 1665922 2232012 2498883 3331844 4997766 9995532 19158103 38316206 57474309 76632412 114948618 229897236