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10230643 = 53193031
BaseRepresentation
bin100111000001…
…101101110011
3201020202210201
4213001231303
510104340033
61003140031
7152646643
oct47015563
921222721
1010230643
115858485
123514617
132172847
141504523
15d7147d
hex9c1b73

10230643 has 4 divisors (see below), whose sum is σ = 10423728. Its totient is φ = 10037560.

The previous prime is 10230641. The next prime is 10230667. The reversal of 10230643 is 34603201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34603201 = 231504487.

It is a cyclic number.

It is not a de Polignac number, because 10230643 - 21 = 10230641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10230643.

It is not an unprimeable number, because it can be changed into a prime (10230641) 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, 96463 + ... + 96568.

It is an arithmetic number, because the mean of its divisors is an integer number (2605932).

Almost surely, 210230643 is an apocalyptic number.

10230643 is a deficient number, since it is larger than the sum of its proper divisors (193085).

10230643 is an equidigital number, since it uses as much as digits as its factorization.

10230643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193084.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 10230643 is about 3198.5376346074. The cubic root of 10230643 is about 217.0872464479.

Adding to 10230643 its reverse (34603201), we get a palindrome (44833844).

The spelling of 10230643 in words is "ten million, two hundred thirty thousand, six hundred forty-three".

Divisors: 1 53 193031 10230643