Search a number
-
+
556245839 = 2928367777
BaseRepresentation
bin100001001001111…
…010001101001111
31102202200012211202
4201021322031033
52114344331324
6131110140115
716533003662
oct4111721517
91382605752
10556245839
11265a93806
1213635163b
138b319366
1453c376d9
1533c788ae
hex2127a34f

556245839 has 8 divisors (see below), whose sum is σ = 577468560. Its totient is φ = 535159296.

The previous prime is 556245773. The next prime is 556245841. The reversal of 556245839 is 938542655.

556245839 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 556245839 - 220 = 555197263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556245793 and 556245802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556245139) 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, 25682 + ... + 42095.

It is an arithmetic number, because the mean of its divisors is an integer number (72183570).

Almost surely, 2556245839 is an apocalyptic number.

556245839 is a deficient number, since it is larger than the sum of its proper divisors (21222721).

556245839 is a wasteful number, since it uses less digits than its factorization.

556245839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68089.

The product of its digits is 1296000, while the sum is 47.

The square root of 556245839 is about 23584.8646169530. The cubic root of 556245839 is about 822.4110275984.

The spelling of 556245839 in words is "five hundred fifty-six million, two hundred forty-five thousand, eight hundred thirty-nine".

Divisors: 1 29 283 8207 67777 1965533 19180891 556245839