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20414913 = 319734543
BaseRepresentation
bin100110111100…
…0000111000001
31102102011222220
41031320013001
520211234123
62005321253
7335344461
oct115700701
942364886
1020414913
1110584032
126a06229
1342ca23c
1429d5ba1
151bd3ce3
hex13781c1

20414913 has 8 divisors (see below), whose sum is σ = 27358848. Its totient is φ = 13540464.

The previous prime is 20414903. The next prime is 20414917. The reversal of 20414913 is 31941402.

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

It is not a de Polignac number, because 20414913 - 24 = 20414897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20414917) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16681 + ... + 17862.

It is an arithmetic number, because the mean of its divisors is an integer number (3419856).

Almost surely, 220414913 is an apocalyptic number.

It is an amenable number.

20414913 is a deficient number, since it is larger than the sum of its proper divisors (6943935).

20414913 is a wasteful number, since it uses less digits than its factorization.

20414913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34743.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20414913 is about 4518.2865114997. The cubic root of 20414913 is about 273.3060074143.

The spelling of 20414913 in words is "twenty million, four hundred fourteen thousand, nine hundred thirteen".

Divisors: 1 3 197 591 34543 103629 6804971 20414913