Search a number
-
+
13913341 = 131070257
BaseRepresentation
bin110101000100…
…110011111101
3222011212111221
4311010303331
512030211331
61214113341
7226155451
oct65046375
928155457
1013913341
117943332
1247ab851
132b61b60
141bc2661
15134c711
hexd44cfd

13913341 has 4 divisors (see below), whose sum is σ = 14983612. Its totient is φ = 12843072.

The previous prime is 13913323. The next prime is 13913357. The reversal of 13913341 is 14331931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14331931 = 103113901.

It can be written as a sum of positive squares in 2 ways, for example, as 2114116 + 11799225 = 1454^2 + 3435^2 .

It is a cyclic number.

It is not a de Polignac number, because 13913341 - 27 = 13913213 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 (13913311) 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, 535116 + ... + 535141.

It is an arithmetic number, because the mean of its divisors is an integer number (3745903).

Almost surely, 213913341 is an apocalyptic number.

It is an amenable number.

13913341 is a deficient number, since it is larger than the sum of its proper divisors (1070271).

13913341 is a wasteful number, since it uses less digits than its factorization.

13913341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070270.

The product of its digits is 972, while the sum is 25.

The square root of 13913341 is about 3730.0591148131. The cubic root of 13913341 is about 240.5159098688.

The spelling of 13913341 in words is "thirteen million, nine hundred thirteen thousand, three hundred forty-one".

Divisors: 1 13 1070257 13913341