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13114421 = 60121821
BaseRepresentation
bin110010000001…
…110000110101
3220200021121022
4302001300311
511324130141
61145030525
7216320315
oct62016065
926607538
1013114421
117448071
124485445
132942318
141a55445
151240b4b
hexc81c35

13114421 has 4 divisors (see below), whose sum is σ = 13136844. Its totient is φ = 13092000.

The previous prime is 13114411. The next prime is 13114433. The reversal of 13114421 is 12441131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9523396 + 3591025 = 3086^2 + 1895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13114421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13114421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13114411) 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, 10310 + ... + 11511.

It is an arithmetic number, because the mean of its divisors is an integer number (3284211).

Almost surely, 213114421 is an apocalyptic number.

It is an amenable number.

13114421 is a deficient number, since it is larger than the sum of its proper divisors (22423).

13114421 is an equidigital number, since it uses as much as digits as its factorization.

13114421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22422.

The product of its digits is 96, while the sum is 17.

The square root of 13114421 is about 3621.3838515131. The cubic root of 13114421 is about 235.8213061273.

Adding to 13114421 its reverse (12441131), we get a palindrome (25555552).

The spelling of 13114421 in words is "thirteen million, one hundred fourteen thousand, four hundred twenty-one".

Divisors: 1 601 21821 13114421