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10230013 = 19751929
BaseRepresentation
bin100111000001…
…100011111101
3201020201221101
4213001203331
510104330023
61003133101
7152645053
oct47014375
921221841
1010230013
115857a62
123514191
132172481
1415041d3
15d711ad
hex9c18fd

10230013 has 4 divisors (see below), whose sum is σ = 10282140. Its totient is φ = 10177888.

The previous prime is 10229981. The next prime is 10230023. The reversal of 10230013 is 31003201.

10230013 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: 31003201 = 103130071.

It can be written as a sum of positive squares in 2 ways, for example, as 9972964 + 257049 = 3158^2 + 507^2 .

It is a cyclic number.

It is not a de Polignac number, because 10230013 - 25 = 10229981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10230023) 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 3 ways as a sum of consecutive naturals, for example, 25768 + ... + 26161.

It is an arithmetic number, because the mean of its divisors is an integer number (2570535).

Almost surely, 210230013 is an apocalyptic number.

It is an amenable number.

10230013 is a deficient number, since it is larger than the sum of its proper divisors (52127).

10230013 is an equidigital number, since it uses as much as digits as its factorization.

10230013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52126.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 10230013 is about 3198.4391505858. The cubic root of 10230013 is about 217.0827903001.

Adding to 10230013 its reverse (31003201), we get a palindrome (41233214).

It can be divided in two parts, 1023001 and 3, that multiplied together give a triangular number (3069003 = T2477).

The spelling of 10230013 in words is "ten million, two hundred thirty thousand, thirteen".

Divisors: 1 197 51929 10230013