Search a number
-
+
228334471 is a prime number
BaseRepresentation
bin11011001110000…
…01101110000111
3120220122121000021
431213001232013
5431423200341
634354000011
75441545111
oct1547015607
9526577007
10228334471
11107986082
1264576007
13383c8171
142247a3b1
15150a49d1
hexd9c1b87

228334471 has 2 divisors, whose sum is σ = 228334472. Its totient is φ = 228334470.

The previous prime is 228334451. The next prime is 228334489. The reversal of 228334471 is 174433822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-228334471 is a prime.

It is a super-3 number, since 3×2283344713 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228334451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114167235 + 114167236.

It is an arithmetic number, because the mean of its divisors is an integer number (114167236).

Almost surely, 2228334471 is an apocalyptic number.

228334471 is a deficient number, since it is larger than the sum of its proper divisors (1).

228334471 is an equidigital number, since it uses as much as digits as its factorization.

228334471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The square root of 228334471 is about 15110.7402532106. The cubic root of 228334471 is about 611.2100597158.

The spelling of 228334471 in words is "two hundred twenty-eight million, three hundred thirty-four thousand, four hundred seventy-one".