Search a number
-
+
13274473 = 23577151
BaseRepresentation
bin110010101000…
…110101101001
3220222102011011
4302220311221
511344240343
61152303521
7220555042
oct62506551
926872134
1013274473
117547343
124541ba1
13299a124
141a978c9
15127329d
hexca8d69

13274473 has 4 divisors (see below), whose sum is σ = 13851648. Its totient is φ = 12697300.

The previous prime is 13274423. The next prime is 13274477. The reversal of 13274473 is 37447231.

13274473 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: 37447231 = 101936749.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13274473 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13274477) 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, 288553 + ... + 288598.

It is an arithmetic number, because the mean of its divisors is an integer number (3462912).

Almost surely, 213274473 is an apocalyptic number.

It is an amenable number.

13274473 is a deficient number, since it is larger than the sum of its proper divisors (577175).

13274473 is an equidigital number, since it uses as much as digits as its factorization.

13274473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577174.

The product of its digits is 14112, while the sum is 31.

The square root of 13274473 is about 3643.4150189074. The cubic root of 13274473 is about 236.7767723690.

The spelling of 13274473 in words is "thirteen million, two hundred seventy-four thousand, four hundred seventy-three".

Divisors: 1 23 577151 13274473