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14817021 = 344311149
BaseRepresentation
bin111000100001…
…011011111101
31000212210010120
4320201123331
512243121041
61245325153
7236641212
oct70413375
930783116
1014817021
11840027a
124b667b9
1330ba28b
141d79b09
15147a366
hexe216fd

14817021 has 8 divisors (see below), whose sum is σ = 19802400. Its totient is φ = 9854832.

The previous prime is 14816993. The next prime is 14817067. The reversal of 14817021 is 12071841.

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

It is not a de Polignac number, because 14817021 - 26 = 14816957 is a prime.

It is a super-2 number, since 2×148170212 = 439088222628882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14816982 and 14817000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14817071) 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, 4246 + ... + 6903.

It is an arithmetic number, because the mean of its divisors is an integer number (2475300).

Almost surely, 214817021 is an apocalyptic number.

It is an amenable number.

14817021 is a deficient number, since it is larger than the sum of its proper divisors (4985379).

14817021 is a wasteful number, since it uses less digits than its factorization.

14817021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11595.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 14817021 is about 3849.2883757910. The cubic root of 14817021 is about 245.6142907878.

Adding to 14817021 its reverse (12071841), we get a palindrome (26888862).

The spelling of 14817021 in words is "fourteen million, eight hundred seventeen thousand, twenty-one".

Divisors: 1 3 443 1329 11149 33447 4939007 14817021