Search a number
-
+
557373620 = 22529960989
BaseRepresentation
bin100001001110001…
…101100010110100
31102211210111212102
4201032031202310
52120141423440
6131150241232
716545411656
oct4116154264
91384714772
10557373620
11266694061
121367b6218
138b62279b
145404c6d6
1533decb15
hex2138d8b4

557373620 has 24 divisors (see below), whose sum is σ = 1210847400. Its totient is φ = 215261312.

The previous prime is 557373613. The next prime is 557373637. The reversal of 557373620 is 26373755.

It can be written as a sum of positive squares in 4 ways, for example, as 36529936 + 520843684 = 6044^2 + 22822^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479915 + ... + 481074.

It is an arithmetic number, because the mean of its divisors is an integer number (50451975).

Almost surely, 2557373620 is an apocalyptic number.

It is an amenable number.

557373620 is an abundant number, since it is smaller than the sum of its proper divisors (653473780).

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

557373620 is a wasteful number, since it uses less digits than its factorization.

557373620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961027 (or 961025 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 38.

The square root of 557373620 is about 23608.7615092364. The cubic root of 557373620 is about 822.9664615093.

The spelling of 557373620 in words is "five hundred fifty-seven million, three hundred seventy-three thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 960989 1921978 3843956 4804945 9609890 19219780 27868681 55737362 111474724 139343405 278686810 557373620