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14408521 = 31736367
BaseRepresentation
bin110110111101…
…101101001001
31000010000202221
4312331231021
512142033041
61232454041
7233320231
oct66755511
930100687
1014408521
118151376
1249aa321
132ca636a
141cb0cc1
1513e92d1
hexdbdb49

14408521 has 8 divisors (see below), whose sum is σ = 15079424. Its totient is φ = 13750560.

The previous prime is 14408519. The next prime is 14408533. The reversal of 14408521 is 12580441.

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

It is a cyclic number.

It is not a de Polignac number, because 14408521 - 21 = 14408519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14408501) 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, 921 + ... + 5446.

It is an arithmetic number, because the mean of its divisors is an integer number (1884928).

Almost surely, 214408521 is an apocalyptic number.

It is an amenable number.

14408521 is a deficient number, since it is larger than the sum of its proper divisors (670903).

14408521 is an equidigital number, since it uses as much as digits as its factorization.

14408521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 14408521 is about 3795.8557664906. The cubic root of 14408521 is about 243.3360578082.

Adding to 14408521 its reverse (12580441), we get a palindrome (26988962).

The spelling of 14408521 in words is "fourteen million, four hundred eight thousand, five hundred twenty-one".

Divisors: 1 31 73 2263 6367 197377 464791 14408521