Search a number
-
+
225032453 = 297175743
BaseRepresentation
bin11010110100110…
…11100100000101
3120200102211111022
431122123210011
5430102014303
634155120525
75401513202
oct1532334405
9520384438
10225032453
11106030238
1263443145
13378101c9
1421c5aca9
1514b51438
hexd69b905

225032453 has 4 divisors (see below), whose sum is σ = 225111168. Its totient is φ = 224953740.

The previous prime is 225032429. The next prime is 225032461. The reversal of 225032453 is 354230522.

225032453 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 Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354230522 = 2177115261.

It is a cyclic number.

It is not a de Polignac number, because 225032453 - 212 = 225028357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225031453) 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, 34901 + ... + 40842.

It is an arithmetic number, because the mean of its divisors is an integer number (56277792).

Almost surely, 2225032453 is an apocalyptic number.

It is an amenable number.

225032453 is a deficient number, since it is larger than the sum of its proper divisors (78715).

225032453 is an equidigital number, since it uses as much as digits as its factorization.

225032453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78714.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 225032453 is about 15001.0817276622. The cubic root of 225032453 is about 608.2494404777.

Adding to 225032453 its reverse (354230522), we get a palindrome (579262975).

The spelling of 225032453 in words is "two hundred twenty-five million, thirty-two thousand, four hundred fifty-three".

Divisors: 1 2971 75743 225032453