Search a number
-
+
557205943 = 7278928541
BaseRepresentation
bin100001001101100…
…100100110110111
31102211110222212011
4201031210212313
52120121042233
6131142505051
716544113060
oct4115444667
91384428764
10557205943
1126658a088
12136735187
138b594378
1454007567
1533db80cd
hex213649b7

557205943 has 8 divisors (see below), whose sum is σ = 637057440. Its totient is φ = 477417120.

The previous prime is 557205931. The next prime is 557205959. The reversal of 557205943 is 349502755.

557205943 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 557205943 - 29 = 557205431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557205896 and 557205905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557203943) 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, 5253 + ... + 33793.

It is an arithmetic number, because the mean of its divisors is an integer number (79632180).

Almost surely, 2557205943 is an apocalyptic number.

557205943 is a deficient number, since it is larger than the sum of its proper divisors (79851497).

557205943 is a wasteful number, since it uses less digits than its factorization.

557205943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31337.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 557205943 is about 23605.2100816748. The cubic root of 557205943 is about 822.8839277699.

The spelling of 557205943 in words is "five hundred fifty-seven million, two hundred five thousand, nine hundred forty-three".

Divisors: 1 7 2789 19523 28541 199787 79600849 557205943