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228144671 is a prime number
BaseRepresentation
bin11011001100100…
…11011000011111
3120220021221122122
431212103120133
5431401112141
634345533155
75440124546
oct1546233037
9526257578
10228144671
11107866517
12644a41bb
133835c961
142242b15d
151506864b
hexd99361f

228144671 has 2 divisors, whose sum is σ = 228144672. Its totient is φ = 228144670.

The previous prime is 228144667. The next prime is 228144677. The reversal of 228144671 is 176441822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228144671 - 22 = 228144667 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228144677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114072335 + 114072336.

It is an arithmetic number, because the mean of its divisors is an integer number (114072336).

Almost surely, 2228144671 is an apocalyptic number.

228144671 is a deficient number, since it is larger than the sum of its proper divisors (1).

228144671 is an equidigital number, since it uses as much as digits as its factorization.

228144671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 35.

The square root of 228144671 is about 15104.4586463733. The cubic root of 228144671 is about 611.0406593518.

The spelling of 228144671 in words is "two hundred twenty-eight million, one hundred forty-four thousand, six hundred seventy-one".