Search a number
-
+
488828189 is a prime number
BaseRepresentation
bin11101001000101…
…110110100011101
31021001211001012202
4131020232310131
52000120000224
6120301141245
715053654033
oct3510566435
91231731182
10488828189
11230a26943
1211785a825
137a373065
1448cc8553
152cdaceae
hex1d22ed1d

488828189 has 2 divisors, whose sum is σ = 488828190. Its totient is φ = 488828188.

The previous prime is 488828167. The next prime is 488828237. The reversal of 488828189 is 981828884.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328805689 + 160022500 = 18133^2 + 12650^2 .

It is a cyclic number.

It is not a de Polignac number, because 488828189 - 216 = 488762653 is a prime.

It is a super-2 number, since 2×4888281892 = 477905996722039442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488828129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244414094 + 244414095.

It is an arithmetic number, because the mean of its divisors is an integer number (244414095).

Almost surely, 2488828189 is an apocalyptic number.

It is an amenable number.

488828189 is a deficient number, since it is larger than the sum of its proper divisors (1).

488828189 is an equidigital number, since it uses as much as digits as its factorization.

488828189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2359296, while the sum is 56.

The square root of 488828189 is about 22109.4592652104. The cubic root of 488828189 is about 787.7445624563.

The spelling of 488828189 in words is "four hundred eighty-eight million, eight hundred twenty-eight thousand, one hundred eighty-nine".