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14201521 = 671271669
BaseRepresentation
bin110110001011…
…001010110001
3222201111211021
4312023022301
512113422041
61224215441
7231465565
oct66131261
928644737
1014201521
11801a8a4
12490a581
132c33089
141c596a5
1513a7cd1
hexd8b2b1

14201521 has 8 divisors (see below), whose sum is σ = 14535680. Its totient is φ = 13871088.

The previous prime is 14201507. The next prime is 14201573. The reversal of 14201521 is 12510241.

14201521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 14201521 - 213 = 14193329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14201495 and 14201504.

It is not an unprimeable number, because it can be changed into a prime (14201591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7675 + ... + 9343.

It is an arithmetic number, because the mean of its divisors is an integer number (1816960).

Almost surely, 214201521 is an apocalyptic number.

It is an amenable number.

14201521 is a deficient number, since it is larger than the sum of its proper divisors (334159).

14201521 is a wasteful number, since it uses less digits than its factorization.

14201521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 14201521 is about 3768.4905466247. The cubic root of 14201521 is about 242.1651367016.

Adding to 14201521 its reverse (12510241), we get a palindrome (26711762).

The spelling of 14201521 in words is "fourteen million, two hundred one thousand, five hundred twenty-one".

Divisors: 1 67 127 1669 8509 111823 211963 14201521