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10028449 is a prime number
BaseRepresentation
bin100110010000…
…010110100001
3200212111110001
4212100112201
510031402244
6554540001
7151145314
oct46202641
920774401
1010028449
11572a582
123437601
1321017c2
14149097b
15d315d4
hex9905a1

10028449 has 2 divisors, whose sum is σ = 10028450. Its totient is φ = 10028448.

The previous prime is 10028441. The next prime is 10028467. The reversal of 10028449 is 94482001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9985600 + 42849 = 3160^2 + 207^2 .

It is an emirp because it is prime and its reverse (94482001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10028449 - 23 = 10028441 is a prime.

It is equal to p666361 and since 10028449 and 666361 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (10028441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5014224 + 5014225.

It is an arithmetic number, because the mean of its divisors is an integer number (5014225).

Almost surely, 210028449 is an apocalyptic number.

It is an amenable number.

10028449 is a deficient number, since it is larger than the sum of its proper divisors (1).

10028449 is an equidigital number, since it uses as much as digits as its factorization.

10028449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 10028449 is about 3166.7726473493. The cubic root of 10028449 is about 215.6475806080.

The spelling of 10028449 in words is "ten million, twenty-eight thousand, four hundred forty-nine".