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561425061 = 3593171893
BaseRepresentation
bin100001011101101…
…010101010100101
31110010102100101210
4201131222222211
52122211100221
6131413142033
716625014521
oct4135525245
91403370353
10561425061
11268a00a5a
1213802a919
138c4108a2
14547c4d81
153444d276
hex2176aaa5

561425061 has 8 divisors (see below), whose sum is σ = 761254560. Its totient is φ = 367939472.

The previous prime is 561425057. The next prime is 561425063. The reversal of 561425061 is 160524165.

561425061 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.

It is a cyclic number.

It is not a de Polignac number, because 561425061 - 22 = 561425057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561425063) 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, 1585770 + ... + 1586123.

It is an arithmetic number, because the mean of its divisors is an integer number (95156820).

Almost surely, 2561425061 is an apocalyptic number.

It is an amenable number.

561425061 is a deficient number, since it is larger than the sum of its proper divisors (199829499).

561425061 is a wasteful number, since it uses less digits than its factorization.

561425061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171955.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 561425061 is about 23694.4099103565. The cubic root of 561425061 is about 824.9556442636.

The spelling of 561425061 in words is "five hundred sixty-one million, four hundred twenty-five thousand, sixty-one".

Divisors: 1 3 59 177 3171893 9515679 187141687 561425061