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13314541 = 18173561
BaseRepresentation
bin110010110010…
…100111101101
3221001110010011
4302302213231
511402031131
61153213221
7221112622
oct62624755
927043104
1013314541
117574459
124561211
1329b2436
141aa8349
1512800b1
hexcb29ed

13314541 has 4 divisors (see below), whose sum is σ = 13388284. Its totient is φ = 13240800.

The previous prime is 13314517. The next prime is 13314571. The reversal of 13314541 is 14541331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14541331 = 72077333.

It can be written as a sum of positive squares in 2 ways, for example, as 562500 + 12752041 = 750^2 + 3571^2 .

It is a cyclic number.

It is not a de Polignac number, because 13314541 - 29 = 13314029 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 (13314571) 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, 36600 + ... + 36961.

It is an arithmetic number, because the mean of its divisors is an integer number (3347071).

Almost surely, 213314541 is an apocalyptic number.

It is an amenable number.

13314541 is a deficient number, since it is larger than the sum of its proper divisors (73743).

13314541 is an equidigital number, since it uses as much as digits as its factorization.

13314541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73742.

The product of its digits is 720, while the sum is 22.

The square root of 13314541 is about 3648.9095631435. The cubic root of 13314541 is about 237.0147640455.

Adding to 13314541 its reverse (14541331), we get a palindrome (27855872).

The spelling of 13314541 in words is "thirteen million, three hundred fourteen thousand, five hundred forty-one".

Divisors: 1 181 73561 13314541