Search a number
-
+
556130780 = 225223124693
BaseRepresentation
bin100001001001011…
…110000111011100
31102202110101000022
4201021132013130
52114332141110
6131103451312
716532014352
oct4111360734
91382411008
10556130780
11265a15317
121362b6b38
138b2a8b8a
1453c077d2
1533c54755
hex2125e1dc

556130780 has 24 divisors (see below), whose sum is σ = 1173121152. Its totient is φ = 221452992.

The previous prime is 556130761. The next prime is 556130789. The reversal of 556130780 is 87031655.

It is a self number, because there is not a number n which added to its sum of digits gives 556130780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556130789) 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, 57887 + ... + 66806.

It is an arithmetic number, because the mean of its divisors is an integer number (48880048).

Almost surely, 2556130780 is an apocalyptic number.

It is an amenable number.

556130780 is an abundant number, since it is smaller than the sum of its proper divisors (616990372).

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

556130780 is a wasteful number, since it uses less digits than its factorization.

556130780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124925 (or 124923 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 556130780 is about 23582.4252357555. The cubic root of 556130780 is about 822.3543186705.

The spelling of 556130780 in words is "five hundred fifty-six million, one hundred thirty thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 223 446 892 1115 2230 4460 124693 249386 498772 623465 1246930 2493860 27806539 55613078 111226156 139032695 278065390 556130780