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14058821 = 72008403
BaseRepresentation
bin110101101000…
…010101000101
3222110021002002
4311220111011
512044340241
61221155045
7230332550
oct65502505
928407062
1014058821
117a32667
12485ba85
132bb313a
141c1d697
15137a89b
hexd68545

14058821 has 4 divisors (see below), whose sum is σ = 16067232. Its totient is φ = 12050412.

The previous prime is 14058817. The next prime is 14058827. The reversal of 14058821 is 12885041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14058821 - 22 = 14058817 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 (14058827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004195 + ... + 1004208.

It is an arithmetic number, because the mean of its divisors is an integer number (4016808).

Almost surely, 214058821 is an apocalyptic number.

It is an amenable number.

14058821 is a deficient number, since it is larger than the sum of its proper divisors (2008411).

14058821 is an equidigital number, since it uses as much as digits as its factorization.

14058821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008410.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 14058821 is about 3749.5094345794. The cubic root of 14058821 is about 241.3512952166.

The spelling of 14058821 in words is "fourteen million, fifty-eight thousand, eight hundred twenty-one".

Divisors: 1 7 2008403 14058821