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561656058 = 2393609343
BaseRepresentation
bin100001011110100…
…011000011111010
31110010212002021020
4201132203003322
52122240443213
6131422123310
716626666135
oct4136430372
91403762236
10561656058
11269049567
12138120536
138c491a82
145484521c
1534496923
hex217a30fa

561656058 has 8 divisors (see below), whose sum is σ = 1123312128. Its totient is φ = 187218684.

The previous prime is 561656033. The next prime is 561656059. The reversal of 561656058 is 850656165.

561656058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

561656058 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (561656059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46804666 + ... + 46804677.

It is an arithmetic number, because the mean of its divisors is an integer number (140414016).

Almost surely, 2561656058 is an apocalyptic number.

561656058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

561656058 is a wasteful number, since it uses less digits than its factorization.

561656058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93609348.

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 561656058 is about 23699.2839132325. The cubic root of 561656058 is about 825.0687707594.

The spelling of 561656058 in words is "five hundred sixty-one million, six hundred fifty-six thousand, fifty-eight".

Divisors: 1 2 3 6 93609343 187218686 280828029 561656058