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20760534 = 2325692027
BaseRepresentation
bin100111100110…
…0011111010110
31110001202002200
41033030133112
520303314114
62020545330
7341314224
oct117143726
943052080
1020760534
111079a773
126b52246
1343bb652
142a85b14
151c51409
hex13cc7d6

20760534 has 24 divisors (see below), whose sum is σ = 45082440. Its totient is φ = 6904608.

The previous prime is 20760527. The next prime is 20760539. The reversal of 20760534 is 43506702.

It is a happy number.

20760534 is a `hidden beast` number, since 20 + 7 + 605 + 34 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20760498 and 20760507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20760539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9229 + ... + 11255.

It is an arithmetic number, because the mean of its divisors is an integer number (1878435).

Almost surely, 220760534 is an apocalyptic number.

20760534 is an abundant number, since it is smaller than the sum of its proper divisors (24321906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20760534 is a wasteful number, since it uses less digits than its factorization.

20760534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604 (or 2601 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 20760534 is about 4556.3728995770. The cubic root of 20760534 is about 274.8397258917.

The spelling of 20760534 in words is "twenty million, seven hundred sixty thousand, five hundred thirty-four".

Divisors: 1 2 3 6 9 18 569 1138 1707 2027 3414 4054 5121 6081 10242 12162 18243 36486 1153363 2306726 3460089 6920178 10380267 20760534