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228141533 is a prime number
BaseRepresentation
bin11011001100100…
…10100111011101
3120220021210100102
431212102213131
5431401012113
634345510445
75440112444
oct1546224735
9526253312
10228141533
11107864124
12644a2425
133835b3b9
1422429d5b
1515067758
hexd9929dd

228141533 has 2 divisors, whose sum is σ = 228141534. Its totient is φ = 228141532.

The previous prime is 228141523. The next prime is 228141541. The reversal of 228141533 is 335141822.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122832889 + 105308644 = 11083^2 + 10262^2 .

It is a cyclic number.

It is not a de Polignac number, because 228141533 - 24 = 228141517 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 228141496 and 228141505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228141503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114070766 + 114070767.

It is an arithmetic number, because the mean of its divisors is an integer number (114070767).

Almost surely, 2228141533 is an apocalyptic number.

It is an amenable number.

228141533 is a deficient number, since it is larger than the sum of its proper divisors (1).

228141533 is an equidigital number, since it uses as much as digits as its factorization.

228141533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 29.

The square root of 228141533 is about 15104.3547694034. The cubic root of 228141533 is about 611.0378578336.

The spelling of 228141533 in words is "two hundred twenty-eight million, one hundred forty-one thousand, five hundred thirty-three".