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228368700 = 223352743281
BaseRepresentation
bin11011001110010…
…10000100111100
3120220201022222000
431213022010330
5431430244300
634354422300
75442046650
oct1547120474
9526638860
10228368700
111079a986a
1264591990
133840a911
1422488a60
15150aec00
hexd9ca13c

228368700 has 288 divisors, whose sum is σ = 861611520. Its totient is φ = 50803200.

The previous prime is 228368683. The next prime is 228368713. The reversal of 228368700 is 7863822.

It is a happy number.

228368700 is a `hidden beast` number, since 228 + 368 + 70 + 0 = 666.

228368700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 812560 + ... + 812840.

Almost surely, 2228368700 is an apocalyptic number.

228368700 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 228368700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430805760).

228368700 is an abundant number, since it is smaller than the sum of its proper divisors (633242820).

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

228368700 is a wasteful number, since it uses less digits than its factorization.

228368700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 228368700 is about 15111.8728157697. The cubic root of 228368700 is about 611.2405998027.

The spelling of 228368700 in words is "two hundred twenty-eight million, three hundred sixty-eight thousand, seven hundred".