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228600654 = 23163233743
BaseRepresentation
bin11011010000000…
…10101101001110
3120221011010010220
431220002231032
5432010210104
634403412210
75444034132
oct1550025516
9527133126
10228600654
11108048067
1264684066
133848c379
14225093c2
15151087d9
hexda02b4e

228600654 has 16 divisors (see below), whose sum is σ = 460008192. Its totient is φ = 75732408.

The previous prime is 228600637. The next prime is 228600661. The reversal of 228600654 is 456006822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115894 + ... + 117849.

It is an arithmetic number, because the mean of its divisors is an integer number (28750512).

Almost surely, 2228600654 is an apocalyptic number.

228600654 is an abundant number, since it is smaller than the sum of its proper divisors (231407538).

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

228600654 is a wasteful number, since it uses less digits than its factorization.

228600654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233911.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 228600654 is about 15119.5454296748. The cubic root of 228600654 is about 611.4474753908.

The spelling of 228600654 in words is "two hundred twenty-eight million, six hundred thousand, six hundred fifty-four".

Divisors: 1 2 3 6 163 326 489 978 233743 467486 701229 1402458 38100109 76200218 114300327 228600654