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14013021 = 3114110357
BaseRepresentation
bin110101011101…
…001001011101
3222100221020210
4311131021131
512041404041
61220203033
7230052201
oct65351135
928327223
1014013021
117a01210
124839479
132b98339
141c0ab01
15136c016
hexd5d25d

14013021 has 16 divisors (see below), whose sum is σ = 20881728. Its totient is φ = 8284800.

The previous prime is 14013019. The next prime is 14013029. The reversal of 14013021 is 12031041.

It is a happy number.

It is not a de Polignac number, because 14013021 - 21 = 14013019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14012988 and 14013006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14013029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3826 + ... + 6531.

It is an arithmetic number, because the mean of its divisors is an integer number (1305108).

Almost surely, 214013021 is an apocalyptic number.

14013021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14013021 is a deficient number, since it is larger than the sum of its proper divisors (6868707).

14013021 is a wasteful number, since it uses less digits than its factorization.

14013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10412.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 14013021 is about 3743.3969866954. The cubic root of 14013021 is about 241.0889234131.

Adding to 14013021 its reverse (12031041), we get a palindrome (26044062).

The spelling of 14013021 in words is "fourteen million, thirteen thousand, twenty-one".

Divisors: 1 3 11 33 41 123 451 1353 10357 31071 113927 341781 424637 1273911 4671007 14013021