Search a number
-
+
10255443 = 311310771
BaseRepresentation
bin100111000111…
…110001010011
3201022000211020
4213013301103
510111133233
61003450523
7153112152
oct47076123
921260736
1010255443
115875080
123526a43
132180c13
14150d599
15d789b3
hex9c7c53

10255443 has 8 divisors (see below), whose sum is σ = 14917056. Its totient is φ = 6215400.

The previous prime is 10255433. The next prime is 10255481. The reversal of 10255443 is 34455201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10255443 - 25 = 10255411 is a prime.

It is a super-2 number, since 2×102554432 = 210348222252498, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (10255423) 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 7 ways as a sum of consecutive naturals, for example, 155353 + ... + 155418.

It is an arithmetic number, because the mean of its divisors is an integer number (1864632).

Almost surely, 210255443 is an apocalyptic number.

10255443 is a deficient number, since it is larger than the sum of its proper divisors (4661613).

10255443 is a wasteful number, since it uses less digits than its factorization.

10255443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310785.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 10255443 is about 3202.4120596825. The cubic root of 10255443 is about 217.2625179116.

The spelling of 10255443 in words is "ten million, two hundred fifty-five thousand, four hundred forty-three".

Divisors: 1 3 11 33 310771 932313 3418481 10255443