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228333600 = 25335211312
BaseRepresentation
bin11011001110000…
…01100000100000
3120220122112211000
431213001200200
5431423133400
634353552000
75441542425
oct1547014040
9526575730
10228333600
11107985460
1264575600
13383c7951
1422479d4c
15150a4600
hexd9c1820

228333600 has 432 divisors, whose sum is σ = 930877920. Its totient is φ = 53568000.

The previous prime is 228333587. The next prime is 228333601. The reversal of 228333600 is 6333822.

228333600 is a `hidden beast` number, since 2 + 28 + 3 + 33 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (228333601) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7365585 + ... + 7365615.

It is an arithmetic number, because the mean of its divisors is an integer number (2154810).

Almost surely, 2228333600 is an apocalyptic number.

228333600 is a gapful number since it is divisible by the number (20) 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 228333600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465438960).

228333600 is an abundant number, since it is smaller than the sum of its proper divisors (702544320).

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

228333600 is a wasteful number, since it uses less digits than its factorization.

228333600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 228333600 is about 15110.7114326229. The cubic root of 228333600 is about 611.2092825450.

The spelling of 228333600 in words is "two hundred twenty-eight million, three hundred thirty-three thousand, six hundred".