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13053463 = 23954617
BaseRepresentation
bin110001110010…
…111000010111
3220120011222121
4301302320113
511320202323
61143440411
7215644513
oct61627027
926504877
1013053463
117406295
124456107
132920657
141a3b143
15122ca5d
hexc72e17

13053463 has 4 divisors (see below), whose sum is σ = 13108320. Its totient is φ = 12998608.

The previous prime is 13053461. The next prime is 13053473. The reversal of 13053463 is 36435031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36435031 = 118130851.

It is a cyclic number.

It is not a de Polignac number, because 13053463 - 21 = 13053461 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 (13053461) 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, 27070 + ... + 27547.

It is an arithmetic number, because the mean of its divisors is an integer number (3277080).

Almost surely, 213053463 is an apocalyptic number.

13053463 is a deficient number, since it is larger than the sum of its proper divisors (54857).

13053463 is an equidigital number, since it uses as much as digits as its factorization.

13053463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54856.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 13053463 is about 3612.9576526718. The cubic root of 13053463 is about 235.4553597229.

Adding to 13053463 its reverse (36435031), we get a palindrome (49488494).

The spelling of 13053463 in words is "thirteen million, fifty-three thousand, four hundred sixty-three".

Divisors: 1 239 54617 13053463