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10128229 is a prime number
BaseRepresentation
bin100110101000…
…101101100101
3201001120022121
4212220231211
510043100404
61001025541
7152042236
oct46505545
921046277
1010128229
115798541
1234852b1
132138047
1414b908d
15d50e54
hex9a8b65

10128229 has 2 divisors, whose sum is σ = 10128230. Its totient is φ = 10128228.

The previous prime is 10128199. The next prime is 10128253. The reversal of 10128229 is 92282101.

10128229 is digitally balanced in base 2 and base 3, because in such bases 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., 9641025 + 487204 = 3105^2 + 698^2 .

It is an emirp because it is prime and its reverse (92282101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10128229 - 215 = 10095461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10108229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5064114 + 5064115.

It is an arithmetic number, because the mean of its divisors is an integer number (5064115).

Almost surely, 210128229 is an apocalyptic number.

It is an amenable number.

10128229 is a deficient number, since it is larger than the sum of its proper divisors (1).

10128229 is an equidigital number, since it uses as much as digits as its factorization.

10128229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 10128229 is about 3182.4878632919. The cubic root of 10128229 is about 216.3604307505.

The spelling of 10128229 in words is "ten million, one hundred twenty-eight thousand, two hundred twenty-nine".