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12450253 = 47264899
BaseRepresentation
bin101111011111…
…100111001101
3212102112112111
4233133213031
511141402003
61122504021
7210553054
oct57374715
925375474
1012450253
117034072
124205011
13276bc1a
14192139b
15115de6d
hexbdf9cd

12450253 has 4 divisors (see below), whose sum is σ = 12715200. Its totient is φ = 12185308.

The previous prime is 12450247. The next prime is 12450259. The reversal of 12450253 is 35205421.

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: 35205421 = 71495851.

It is an interprime number because it is at equal distance from previous prime (12450247) and next prime (12450259).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12450253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12450259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132403 + ... + 132496.

It is an arithmetic number, because the mean of its divisors is an integer number (3178800).

Almost surely, 212450253 is an apocalyptic number.

It is an amenable number.

12450253 is a deficient number, since it is larger than the sum of its proper divisors (264947).

12450253 is an equidigital number, since it uses as much as digits as its factorization.

12450253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264946.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 12450253 is about 3528.4916040711. The cubic root of 12450253 is about 231.7711588614.

Adding to 12450253 its reverse (35205421), we get a palindrome (47655674).

The spelling of 12450253 in words is "twelve million, four hundred fifty thousand, two hundred fifty-three".

Divisors: 1 47 264899 12450253