Search a number
-
+
10538855 = 52107771
BaseRepresentation
bin101000001100…
…111101100111
3201211102120222
4220030331213
510144220410
61013514555
7155402345
oct50147547
921742528
1010538855
115a48aa8
123642a5b
13224cc12
141584995
15dd2955
hexa0cf67

10538855 has 4 divisors (see below), whose sum is σ = 12646632. Its totient is φ = 8431080.

The previous prime is 10538851. The next prime is 10538867. The reversal of 10538855 is 55883501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55883501 = 220325367.

It is not a de Polignac number, because 10538855 - 22 = 10538851 is a prime.

It is a super-2 number, since 2×105388552 = 222134929422050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10538851) 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, 1053881 + ... + 1053890.

It is an arithmetic number, because the mean of its divisors is an integer number (3161658).

Almost surely, 210538855 is an apocalyptic number.

10538855 is a deficient number, since it is larger than the sum of its proper divisors (2107777).

10538855 is an equidigital number, since it uses as much as digits as its factorization.

10538855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107776.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 10538855 is about 3246.3602695942. The cubic root of 10538855 is about 219.2457296102.

The spelling of 10538855 in words is "ten million, five hundred thirty-eight thousand, eight hundred fifty-five".

Divisors: 1 5 2107771 10538855