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14146621 = 19744559
BaseRepresentation
bin110101111101…
…110000111101
3222121201111221
4311331300331
512110142441
61223113341
7231146536
oct65756075
928551457
1014146621
117a92625
1248a2851
132c140a8
141c4368d
1513968d1
hexd7dc3d

14146621 has 4 divisors (see below), whose sum is σ = 14891200. Its totient is φ = 13402044.

The previous prime is 14146619. The next prime is 14146687. The reversal of 14146621 is 12664141.

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: 12664141 = 71809163.

It is a cyclic number.

It is not a de Polignac number, because 14146621 - 21 = 14146619 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 (14146921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372261 + ... + 372298.

It is an arithmetic number, because the mean of its divisors is an integer number (3722800).

Almost surely, 214146621 is an apocalyptic number.

It is an amenable number.

14146621 is a deficient number, since it is larger than the sum of its proper divisors (744579).

14146621 is an equidigital number, since it uses as much as digits as its factorization.

14146621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744578.

The product of its digits is 1152, while the sum is 25.

The square root of 14146621 is about 3761.1994097628. The cubic root of 14146621 is about 241.8526810949.

The spelling of 14146621 in words is "fourteen million, one hundred forty-six thousand, six hundred twenty-one".

Divisors: 1 19 744559 14146621