Search a number
-
+
10105243 = 30413323
BaseRepresentation
bin100110100011…
…000110011011
3201000101210021
4212203012123
510041331433
61000331311
7151615231
oct46430633
921011707
1010105243
115782245
123473b37
13212a745
1414b0951
15d4922d
hex9a319b

10105243 has 4 divisors (see below), whose sum is σ = 10111608. Its totient is φ = 10098880.

The previous prime is 10105241. The next prime is 10105247. The reversal of 10105243 is 34250101.

10105243 is digitally balanced in base 2, 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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34250101 = 50967289.

It is a cyclic number.

It is not a de Polignac number, because 10105243 - 21 = 10105241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10105241) 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, 1380 + ... + 4702.

It is an arithmetic number, because the mean of its divisors is an integer number (2527902).

Almost surely, 210105243 is an apocalyptic number.

10105243 is a deficient number, since it is larger than the sum of its proper divisors (6365).

10105243 is an equidigital number, since it uses as much as digits as its factorization.

10105243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10105243 is about 3178.8744863552. The cubic root of 10105243 is about 216.1966302190.

Adding to 10105243 its reverse (34250101), we get a palindrome (44355344).

The spelling of 10105243 in words is "ten million, one hundred five thousand, two hundred forty-three".

Divisors: 1 3041 3323 10105243