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228333041 is a prime number
BaseRepresentation
bin11011001110000…
…01010111110001
3120220122112001022
431213001113301
5431423124131
634353545225
75441540666
oct1547012761
9526575038
10228333041
11107984aa2
1264575215
13383c7611
1422479a6d
15150a437b
hexd9c15f1

228333041 has 2 divisors, whose sum is σ = 228333042. Its totient is φ = 228333040.

The previous prime is 228332999. The next prime is 228333067. The reversal of 228333041 is 140333822.

It is an a-pointer prime, because the next prime (228333067) can be obtained adding 228333041 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158860816 + 69472225 = 12604^2 + 8335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-228333041 is a prime.

It is a super-2 number, since 2×2283330412 = 104271955224615362, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228333041.

It is not a weakly prime, because it can be changed into another prime (228333541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114166520 + 114166521.

It is an arithmetic number, because the mean of its divisors is an integer number (114166521).

Almost surely, 2228333041 is an apocalyptic number.

It is an amenable number.

228333041 is a deficient number, since it is larger than the sum of its proper divisors (1).

228333041 is an equidigital number, since it uses as much as digits as its factorization.

228333041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 228333041 is about 15110.6929357988. The cubic root of 228333041 is about 611.2087837627.

Adding to 228333041 its reverse (140333822), we get a palindrome (368666863).

The spelling of 228333041 in words is "two hundred twenty-eight million, three hundred thirty-three thousand, forty-one".