Search a number
-
+
13102273 = 19766509
BaseRepresentation
bin110001111110…
…110011000001
3220122122221101
4301332303001
511323233043
61144454401
7216240022
oct61766301
926578841
1013102273
117439a28
12447a401
132939932
141a50c49
15123c24d
hexc7ecc1

13102273 has 4 divisors (see below), whose sum is σ = 13168980. Its totient is φ = 13035568.

The previous prime is 13102261. The next prime is 13102277. The reversal of 13102273 is 37220131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12194064 + 908209 = 3492^2 + 953^2 .

It is a cyclic number.

It is not a de Polignac number, because 13102273 - 25 = 13102241 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 13102273.

It is not an unprimeable number, because it can be changed into a prime (13102277) 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, 33058 + ... + 33451.

It is an arithmetic number, because the mean of its divisors is an integer number (3292245).

Almost surely, 213102273 is an apocalyptic number.

It is an amenable number.

13102273 is a deficient number, since it is larger than the sum of its proper divisors (66707).

13102273 is an equidigital number, since it uses as much as digits as its factorization.

13102273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66706.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 13102273 is about 3619.7062035475. The cubic root of 13102273 is about 235.7484692040.

The spelling of 13102273 in words is "thirteen million, one hundred two thousand, two hundred seventy-three".

Divisors: 1 197 66509 13102273