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10227421 = 17243823
BaseRepresentation
bin100111000000…
…111011011101
3201020121101101
4213000323131
510104234141
61003113101
7152634361
oct47007335
921217341
1010227421
115856016
123512791
132171239
1415032a1
15d70531
hex9c0edd

10227421 has 12 divisors (see below), whose sum is σ = 11130592. Its totient is φ = 9390528.

The previous prime is 10227407. The next prime is 10227431. The reversal of 10227421 is 12472201.

It is a happy number.

It is not a de Polignac number, because 10227421 - 27 = 10227293 is a prime.

It is a super-2 number, since 2×102274212 = 209200280622482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10227431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12016 + ... + 12838.

Almost surely, 210227421 is an apocalyptic number.

It is an amenable number.

10227421 is a deficient number, since it is larger than the sum of its proper divisors (903171).

10227421 is an equidigital number, since it uses as much as digits as its factorization.

10227421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 10227421 is about 3198.0339272747. The cubic root of 10227421 is about 217.0644545097.

Adding to 10227421 its reverse (12472201), we get a palindrome (22699622).

It can be divided in two parts, 10227 and 421, that added together give a cube (10648 = 223).

The spelling of 10227421 in words is "ten million, two hundred twenty-seven thousand, four hundred twenty-one".

Divisors: 1 17 43 289 731 823 12427 13991 35389 237847 601613 10227421