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14408621 = 29496849
BaseRepresentation
bin110110111101…
…101110101101
31000010000220122
4312331232231
512142033441
61232454325
7233320433
oct66755655
930100818
1014408621
118151457
1249aa3a5
132ca6416
141cb0d53
1513e934b
hexdbdbad

14408621 has 4 divisors (see below), whose sum is σ = 14905500. Its totient is φ = 13911744.

The previous prime is 14408609. The next prime is 14408623. The reversal of 14408621 is 12680441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8352100 + 6056521 = 2890^2 + 2461^2 .

It is a cyclic number.

It is not a de Polignac number, because 14408621 - 210 = 14407597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14408623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248396 + ... + 248453.

It is an arithmetic number, because the mean of its divisors is an integer number (3726375).

Almost surely, 214408621 is an apocalyptic number.

It is an amenable number.

14408621 is a deficient number, since it is larger than the sum of its proper divisors (496879).

14408621 is an equidigital number, since it uses as much as digits as its factorization.

14408621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496878.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 14408621 is about 3795.8689387280. The cubic root of 14408621 is about 243.3366207517.

The spelling of 14408621 in words is "fourteen million, four hundred eight thousand, six hundred twenty-one".

Divisors: 1 29 496849 14408621