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10280107 = 23943013
BaseRepresentation
bin100111001101…
…110010101011
3201100021122201
4213031302223
510112430412
61004201031
7153244105
oct47156253
921307581
1010280107
115891662
123539177
13218c206
141518575
15d80e57
hex9cdcab

10280107 has 4 divisors (see below), whose sum is σ = 10323360. Its totient is φ = 10236856.

The previous prime is 10280099. The next prime is 10280111. The reversal of 10280107 is 70108201.

10280107 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70108201 = 76739137.

It is a cyclic number.

It is not a de Polignac number, because 10280107 - 23 = 10280099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10280167) 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, 21268 + ... + 21745.

It is an arithmetic number, because the mean of its divisors is an integer number (2580840).

Almost surely, 210280107 is an apocalyptic number.

10280107 is a deficient number, since it is larger than the sum of its proper divisors (43253).

10280107 is an equidigital number, since it uses as much as digits as its factorization.

10280107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43252.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 10280107 is about 3206.2605945244. The cubic root of 10280107 is about 217.4365481883.

Adding to 10280107 its reverse (70108201), we get a palindrome (80388308).

The spelling of 10280107 in words is "ten million, two hundred eighty thousand, one hundred seven".

Divisors: 1 239 43013 10280107