Search a number
-
+
228893101 is a prime number
BaseRepresentation
bin11011010010010…
…10000110101101
3120221200222022021
431221022012231
5432044034401
634413550141
75446362553
oct1551120655
9527628267
10228893101
11108227858
12647a5351
1338562508
1422583bd3
15151652a1
hexda4a1ad

228893101 has 2 divisors, whose sum is σ = 228893102. Its totient is φ = 228893100.

The previous prime is 228893081. The next prime is 228893113. The reversal of 228893101 is 101398822.

228893101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150552900 + 78340201 = 12270^2 + 8851^2 .

It is a cyclic number.

It is not a de Polignac number, because 228893101 - 27 = 228892973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228893191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114446550 + 114446551.

It is an arithmetic number, because the mean of its divisors is an integer number (114446551).

Almost surely, 2228893101 is an apocalyptic number.

It is an amenable number.

228893101 is a deficient number, since it is larger than the sum of its proper divisors (1).

228893101 is an equidigital number, since it uses as much as digits as its factorization.

228893101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 228893101 is about 15129.2134957505. The cubic root of 228893101 is about 611.7081042476.

The spelling of 228893101 in words is "two hundred twenty-eight million, eight hundred ninety-three thousand, one hundred one".