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10228531 is a prime number
BaseRepresentation
bin100111000001…
…001100110011
3201020122220111
4213001030303
510104303111
61003122151
7152640535
oct47011463
921218814
1010228531
115856935
123513357
1321718b1
141503855
15d70a21
hex9c1333

10228531 has 2 divisors, whose sum is σ = 10228532. Its totient is φ = 10228530.

The previous prime is 10228513. The next prime is 10228567. The reversal of 10228531 is 13582201.

Together with previous prime (10228513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10228531 - 213 = 10220339 is a prime.

It is a super-2 number, since 2×102285312 = 209245692835922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10228511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5114265 + 5114266.

It is an arithmetic number, because the mean of its divisors is an integer number (5114266).

Almost surely, 210228531 is an apocalyptic number.

10228531 is a deficient number, since it is larger than the sum of its proper divisors (1).

10228531 is an equidigital number, since it uses as much as digits as its factorization.

10228531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 10228531 is about 3198.2074666913. The cubic root of 10228531 is about 217.0723070214.

The spelling of 10228531 in words is "ten million, two hundred twenty-eight thousand, five hundred thirty-one".