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14730621 = 34910207
BaseRepresentation
bin111000001100…
…010101111101
31000201101121120
4320030111331
512232334441
61243421153
7236131263
oct70142575
930641546
1014730621
118351374
124b247b9
133089b59
141d56433
15145e966
hexe0c57d

14730621 has 4 divisors (see below), whose sum is σ = 19640832. Its totient is φ = 9820412.

The previous prime is 14730571. The next prime is 14730623. The reversal of 14730621 is 12603741.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12603741 = 34201247.

It is a cyclic number.

It is not a de Polignac number, because 14730621 - 211 = 14728573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14730591 and 14730600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14730623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2455101 + ... + 2455106.

It is an arithmetic number, because the mean of its divisors is an integer number (4910208).

Almost surely, 214730621 is an apocalyptic number.

It is an amenable number.

14730621 is a deficient number, since it is larger than the sum of its proper divisors (4910211).

14730621 is an equidigital number, since it uses as much as digits as its factorization.

14730621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910210.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 14730621 is about 3838.0491138077. The cubic root of 14730621 is about 245.1359567490.

It can be divided in two parts, 14730 and 621, that added together give a palindrome (15351).

The spelling of 14730621 in words is "fourteen million, seven hundred thirty thousand, six hundred twenty-one".

Divisors: 1 3 4910207 14730621