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10227638 = 25113819
BaseRepresentation
bin100111000000…
…111110110110
3201020121200102
4213000332312
510104241023
61003114102
7152635121
oct47007666
921217612
1010227638
1158561a3
123512932
132171375
1415033b8
15d70628
hex9c0fb6

10227638 has 4 divisors (see below), whose sum is σ = 15341460. Its totient is φ = 5113818.

The previous prime is 10227631. The next prime is 10227641. The reversal of 10227638 is 83672201.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10227638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10227631) 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 as a sum of consecutive naturals, namely, 2556908 + ... + 2556911.

It is an arithmetic number, because the mean of its divisors is an integer number (3835365).

Almost surely, 210227638 is an apocalyptic number.

10227638 is a deficient number, since it is larger than the sum of its proper divisors (5113822).

10227638 is an equidigital number, since it uses as much as digits as its factorization.

10227638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113821.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 10227638 is about 3198.0678541895. The cubic root of 10227638 is about 217.0659896851.

Adding to 10227638 its reverse (83672201), we get a palindrome (93899839).

The spelling of 10227638 in words is "ten million, two hundred twenty-seven thousand, six hundred thirty-eight".

Divisors: 1 2 5113819 10227638