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228144523 is a prime number
BaseRepresentation
bin11011001100100…
…11010110001011
3120220021221110011
431212103112023
5431401111043
634345532351
75440124245
oct1546232613
9526257404
10228144523
111078663a2
12644a40b7
133835c879
142242b095
151506859d
hexd99358b

228144523 has 2 divisors, whose sum is σ = 228144524. Its totient is φ = 228144522.

The previous prime is 228144517. The next prime is 228144529. The reversal of 228144523 is 325441822.

It is a balanced prime because it is at equal distance from previous prime (228144517) and next prime (228144529).

It is a cyclic number.

It is not a de Polignac number, because 228144523 - 213 = 228136331 is a prime.

It is not a weakly prime, because it can be changed into another prime (228144529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114072261 + 114072262.

It is an arithmetic number, because the mean of its divisors is an integer number (114072262).

Almost surely, 2228144523 is an apocalyptic number.

228144523 is a deficient number, since it is larger than the sum of its proper divisors (1).

228144523 is an equidigital number, since it uses as much as digits as its factorization.

228144523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 31.

The square root of 228144523 is about 15104.4537471568. The cubic root of 228144523 is about 611.0405272222.

The spelling of 228144523 in words is "two hundred twenty-eight million, one hundred forty-four thousand, five hundred twenty-three".