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228348232 = 237219233143
BaseRepresentation
bin11011001110001…
…01000101001000
3120220200021212221
431213011011020
5431424120412
634354143424
75441633200
oct1547050510
9526607787
10228348232
11107995452
1264581b74
13384014c8
1422481400
15150a8b07
hexd9c5148

228348232 has 192 divisors, whose sum is σ = 577843200. Its totient is φ = 83825280.

The previous prime is 228348217. The next prime is 228348269. The reversal of 228348232 is 232843822.

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, 5310403 + ... + 5310445.

It is an arithmetic number, because the mean of its divisors is an integer number (3009600).

Almost surely, 2228348232 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 228348232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288921600).

228348232 is an abundant number, since it is smaller than the sum of its proper divisors (349494968).

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

228348232 is a wasteful number, since it uses less digits than its factorization.

228348232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 125 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 228348232 is about 15111.1955847312. The cubic root of 228348232 is about 611.2223380381. Note that the first 3 decimals are identical.

The spelling of 228348232 in words is "two hundred twenty-eight million, three hundred forty-eight thousand, two hundred thirty-two".