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20015014 = 223435109
BaseRepresentation
bin100110001011…
…0011110100110
31101122212102211
41030112132212
520110440024
61552554034
7332060545
oct114263646
941585384
1020015014
1110330638
12685291a
1341ba206
14293015c
151b55594
hex13167a6

20015014 has 8 divisors (see below), whose sum is σ = 31327920. Its totient is φ = 9572376.

The previous prime is 20014993. The next prime is 20015029. The reversal of 20015014 is 41051002.

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 = 20014985 and 20015003.

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 in 3 ways as a sum of consecutive naturals, for example, 217509 + ... + 217600.

It is an arithmetic number, because the mean of its divisors is an integer number (3915990).

Almost surely, 220015014 is an apocalyptic number.

20015014 is a deficient number, since it is larger than the sum of its proper divisors (11312906).

20015014 is a wasteful number, since it uses less digits than its factorization.

20015014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435134.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 20015014 is about 4473.8142563142. The cubic root of 20015014 is about 271.5096684466.

Adding to 20015014 its reverse (41051002), we get a palindrome (61066016).

The spelling of 20015014 in words is "twenty million, fifteen thousand, fourteen".

Divisors: 1 2 23 46 435109 870218 10007507 20015014