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10123849 is a prime number
BaseRepresentation
bin100110100111…
…101001001001
3201001100022101
4212213221021
510042430344
61000553401
7152023411
oct46475111
921040271
1010123849
11579521a
123482861
132136058
1414b7641
15d4e9d4
hex9a7a49

10123849 has 2 divisors, whose sum is σ = 10123850. Its totient is φ = 10123848.

The previous prime is 10123837. The next prime is 10123907. The reversal of 10123849 is 94832101.

It is a happy number.

10123849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10112400 + 11449 = 3180^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123849 - 217 = 9992777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10123049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061924 + 5061925.

It is an arithmetic number, because the mean of its divisors is an integer number (5061925).

Almost surely, 210123849 is an apocalyptic number.

It is an amenable number.

10123849 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123849 is an equidigital number, since it uses as much as digits as its factorization.

10123849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 10123849 is about 3181.7996479980. The cubic root of 10123849 is about 216.3292375601.

The spelling of 10123849 in words is "ten million, one hundred twenty-three thousand, eight hundred forty-nine".