Search a number
-
+
1550566741 = 4183455647
BaseRepresentation
bin101110001101011…
…1100010101010101
311000001122221200211
41130122330111111
511133421113431
6413510005421
753265412513
oct13432742525
94001587624
101550566741
11726288819
12373346871
131b9318619
14109d074b3
15911d72b1
hex5c6bc555

1550566741 has 8 divisors (see below), whose sum is σ = 1607526144. Its totient is φ = 1494518880.

The previous prime is 1550566723. The next prime is 1550566757. The reversal of 1550566741 is 1476650551.

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

It is not a de Polignac number, because 1550566741 - 211 = 1550564693 is a prime.

It is a super-2 number, since 2×15505667412 = 4808514436590722162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1550566694 and 1550566703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550563741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224421 + ... + 231226.

It is an arithmetic number, because the mean of its divisors is an integer number (200940768).

Almost surely, 21550566741 is an apocalyptic number.

It is an amenable number.

1550566741 is a deficient number, since it is larger than the sum of its proper divisors (56959403).

1550566741 is an equidigital number, since it uses as much as digits as its factorization.

1550566741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455771.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 1550566741 is about 39377.2363301438. The cubic root of 1550566741 is about 1157.4355608833.

The spelling of 1550566741 in words is "one billion, five hundred fifty million, five hundred sixty-six thousand, seven hundred forty-one".

Divisors: 1 41 83 3403 455647 18681527 37818701 1550566741