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13013526 = 232168921
BaseRepresentation
bin110001101001…
…001000010110
3220111011012110
4301221020112
511312413101
61142531450
7215420211
oct61511026
926434173
1013013526
117389289
124436b86
132908416
141a2a778
151220cd6
hexc69216

13013526 has 8 divisors (see below), whose sum is σ = 26027064. Its totient is φ = 4337840.

The previous prime is 13013513. The next prime is 13013527. The reversal of 13013526 is 62531031.

It is a sphenic number, since it is the product of 3 distinct primes.

13013526 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013527) 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, 1084455 + ... + 1084466.

It is an arithmetic number, because the mean of its divisors is an integer number (3253383).

Almost surely, 213013526 is an apocalyptic number.

13013526 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13013526 is a wasteful number, since it uses less digits than its factorization.

13013526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168926.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 13013526 is about 3607.4265065279. The cubic root of 13013526 is about 235.2149896157.

Adding to 13013526 its reverse (62531031), we get a palindrome (75544557).

The spelling of 13013526 in words is "thirteen million, thirteen thousand, five hundred twenty-six".

Divisors: 1 2 3 6 2168921 4337842 6506763 13013526