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10105427 = 29348463
BaseRepresentation
bin100110100011…
…001001010011
3201000102001002
4212203021103
510041333202
61000332215
7151615613
oct46431123
921012032
1010105427
1157823a2
12347406b
13212a857
1414b0a43
15d49302
hex9a3253

10105427 has 4 divisors (see below), whose sum is σ = 10453920. Its totient is φ = 9756936.

The previous prime is 10105421. The next prime is 10105451. The reversal of 10105427 is 72450101.

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

It is a cyclic number.

It is not a de Polignac number, because 10105427 - 218 = 9843283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10105399 and 10105408.

It is not an unprimeable number, because it can be changed into a prime (10105421) 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 in 3 ways as a sum of consecutive naturals, for example, 174203 + ... + 174260.

It is an arithmetic number, because the mean of its divisors is an integer number (2613480).

Almost surely, 210105427 is an apocalyptic number.

10105427 is a deficient number, since it is larger than the sum of its proper divisors (348493).

10105427 is an equidigital number, since it uses as much as digits as its factorization.

10105427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348492.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 10105427 is about 3178.9034272843. The cubic root of 10105427 is about 216.1979424070.

Adding to 10105427 its reverse (72450101), we get a palindrome (82555528).

The spelling of 10105427 in words is "ten million, one hundred five thousand, four hundred twenty-seven".

Divisors: 1 29 348463 10105427