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20484763 = 134433557
BaseRepresentation
bin100111000100…
…1001010011011
31102112201210221
41032021022123
520221003023
62011020511
7336055225
oct116111233
942481727
1020484763
1110621562
126a3a737
134322c80
142a13415
151be985d
hex138929b

20484763 has 8 divisors (see below), whose sum is σ = 22116528. Its totient is φ = 18861024.

The previous prime is 20484733. The next prime is 20484767. The reversal of 20484763 is 36748402.

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

It is not a de Polignac number, because 20484763 - 25 = 20484731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20484767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3981 + ... + 7537.

It is an arithmetic number, because the mean of its divisors is an integer number (2764566).

Almost surely, 220484763 is an apocalyptic number.

20484763 is a deficient number, since it is larger than the sum of its proper divisors (1631765).

20484763 is a wasteful number, since it uses less digits than its factorization.

20484763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 20484763 is about 4526.0096111255. The cubic root of 20484763 is about 273.6173597603.

The spelling of 20484763 in words is "twenty million, four hundred eighty-four thousand, seven hundred sixty-three".

Divisors: 1 13 443 3557 5759 46241 1575751 20484763