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14414421 = 372923669
BaseRepresentation
bin110110111111…
…001001010101
31000010022212110
4312333021111
512142230141
61232541233
7233343360
oct66771125
930108773
1014414421
11815584a
1249b1819
132ca8c58
141cb30d7
1513eae16
hexdbf255

14414421 has 16 divisors (see below), whose sum is σ = 22723200. Its totient is φ = 7952448.

The previous prime is 14414401. The next prime is 14414431. The reversal of 14414421 is 12441441.

It is not a de Polignac number, because 14414421 - 211 = 14412373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14414401) 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, 11226 + ... + 12443.

It is an arithmetic number, because the mean of its divisors is an integer number (1420200).

Almost surely, 214414421 is an apocalyptic number.

It is an amenable number.

14414421 is a deficient number, since it is larger than the sum of its proper divisors (8308779).

14414421 is a wasteful number, since it uses less digits than its factorization.

14414421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23708.

The product of its digits is 512, while the sum is 21.

The square root of 14414421 is about 3796.6328503030. The cubic root of 14414421 is about 243.3692670187.

Adding to 14414421 its reverse (12441441), we get a palindrome (26855862).

The spelling of 14414421 in words is "fourteen million, four hundred fourteen thousand, four hundred twenty-one".

Divisors: 1 3 7 21 29 87 203 609 23669 71007 165683 497049 686401 2059203 4804807 14414421