Search a number
-
+
12254533 = 27194507
BaseRepresentation
bin101110101111…
…110101000101
3212001121001121
4232233311011
511114121113
61114353541
7206106334
oct56576505
925047047
1012254533
116a10015
12412b8b1
132700b05
1418add1b
151120e8d
hexbafd45

12254533 has 4 divisors (see below), whose sum is σ = 12261760. Its totient is φ = 12247308.

The previous prime is 12254521. The next prime is 12254537. The reversal of 12254533 is 33545221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 33545221 = 223150427.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12254533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12254498 and 12254507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12254537) 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, 466 + ... + 4972.

It is an arithmetic number, because the mean of its divisors is an integer number (3065440).

Almost surely, 212254533 is an apocalyptic number.

It is an amenable number.

12254533 is a deficient number, since it is larger than the sum of its proper divisors (7227).

12254533 is an equidigital number, since it uses as much as digits as its factorization.

12254533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226.

The product of its digits is 3600, while the sum is 25.

The square root of 12254533 is about 3500.6475115327. The cubic root of 12254533 is about 230.5502452565.

Adding to 12254533 its reverse (33545221), we get a palindrome (45799754).

The spelling of 12254533 in words is "twelve million, two hundred fifty-four thousand, five hundred thirty-three".

Divisors: 1 2719 4507 12254533