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14272121 = 233137541
BaseRepresentation
bin110110011100…
…011001111001
3222212002200002
4312130121321
512123201441
61225522345
7232211453
oct66343171
928762602
1014272121
118068946
1249433b5
132c59256
141c772d3
1513bdb9b
hexd9c679

14272121 has 16 divisors (see below), whose sum is σ = 15817728. Its totient is φ = 12830400.

The previous prime is 14272091. The next prime is 14272127. The reversal of 14272121 is 12127241.

It is a cyclic number.

It is not a de Polignac number, because 14272121 - 214 = 14255737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14272093 and 14272102.

It is not an unprimeable number, because it can be changed into a prime (14272127) 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, 26111 + ... + 26651.

It is an arithmetic number, because the mean of its divisors is an integer number (988608).

Almost surely, 214272121 is an apocalyptic number.

It is an amenable number.

14272121 is a deficient number, since it is larger than the sum of its proper divisors (1545607).

14272121 is a wasteful number, since it uses less digits than its factorization.

14272121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632.

The product of its digits is 224, while the sum is 20.

The square root of 14272121 is about 3777.8460794479. The cubic root of 14272121 is about 242.5657652785.

Adding to 14272121 its reverse (12127241), we get a palindrome (26399362).

The spelling of 14272121 in words is "fourteen million, two hundred seventy-two thousand, one hundred twenty-one".

Divisors: 1 23 31 37 541 713 851 1147 12443 16771 20017 26381 385733 460391 620527 14272121