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20624014 = 210312007
BaseRepresentation
bin100111010101…
…1001010001110
31102210210211101
41032223022032
520234432024
62014013314
7340205215
oct116531216
942723741
1020624014
1110707144
126aa723a
134371478
142a4c07c
151c25c44
hex13ab28e

20624014 has 4 divisors (see below), whose sum is σ = 30936024. Its totient is φ = 10312006.

The previous prime is 20624003. The next prime is 20624041. The reversal of 20624014 is 41042602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41042602 = 220521301.

It is a junction number, because it is equal to n+sod(n) for n = 20623982 and 20624000.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5156002 + ... + 5156005.

It is an arithmetic number, because the mean of its divisors is an integer number (7734006).

Almost surely, 220624014 is an apocalyptic number.

20624014 is a deficient number, since it is larger than the sum of its proper divisors (10312010).

20624014 is a wasteful number, since it uses less digits than its factorization.

20624014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10312009.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20624014 is about 4541.3669748216. The cubic root of 20624014 is about 274.2359574354.

Adding to 20624014 its reverse (41042602), we get a palindrome (61666616).

The spelling of 20624014 in words is "twenty million, six hundred twenty-four thousand, fourteen".

Divisors: 1 2 10312007 20624014