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20651014 = 218157047
BaseRepresentation
bin100111011000…
…1110000000110
31102212011212101
41032301300012
520241313024
62014342314
7340350016
oct116616006
942764771
1020651014
111072545a
126aba99a
134380847
142a57c46
151c2dc44
hex13b1c06

20651014 has 8 divisors (see below), whose sum is σ = 31148208. Its totient is φ = 10268280.

The previous prime is 20650997. The next prime is 20651021. The reversal of 20651014 is 41015602.

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

It is a junction number, because it is equal to n+sod(n) for n = 20650982 and 20651000.

It is a congruent number.

It is an unprimeable number.

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, 28162 + ... + 28885.

It is an arithmetic number, because the mean of its divisors is an integer number (3893526).

Almost surely, 220651014 is an apocalyptic number.

20651014 is a deficient number, since it is larger than the sum of its proper divisors (10497194).

20651014 is a wasteful number, since it uses less digits than its factorization.

20651014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57230.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 20651014 is about 4544.3386757591. The cubic root of 20651014 is about 274.3555775709.

Adding to 20651014 its reverse (41015602), we get a palindrome (61666616).

The spelling of 20651014 in words is "twenty million, six hundred fifty-one thousand, fourteen".

Divisors: 1 2 181 362 57047 114094 10325507 20651014