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10228549 = 95310733
BaseRepresentation
bin100111000001…
…001101000101
3201020122221011
4213001031011
510104303144
61003122221
7152640562
oct47011505
921218834
1010228549
115856951
123513371
1321718c6
141503869
15d70a34
hex9c1345

10228549 has 4 divisors (see below), whose sum is σ = 10240236. Its totient is φ = 10216864.

The previous prime is 10228531. The next prime is 10228567. The reversal of 10228549 is 94582201.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10228531) and next prime (10228567).

It can be written as a sum of positive squares in 2 ways, for example, as 2304324 + 7924225 = 1518^2 + 2815^2 .

It is a cyclic number.

It is not a de Polignac number, because 10228549 - 211 = 10226501 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10228549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10228579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4414 + ... + 6319.

It is an arithmetic number, because the mean of its divisors is an integer number (2560059).

Almost surely, 210228549 is an apocalyptic number.

It is an amenable number.

10228549 is a deficient number, since it is larger than the sum of its proper divisors (11687).

10228549 is an equidigital number, since it uses as much as digits as its factorization.

10228549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11686.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 10228549 is about 3198.2102807664. The cubic root of 10228549 is about 217.0724343548.

The spelling of 10228549 in words is "ten million, two hundred twenty-eight thousand, five hundred forty-nine".

Divisors: 1 953 10733 10228549