Search a number
-
+
557538653 = 7233462973
BaseRepresentation
bin100001001110110…
…101110101011101
31102212002220020202
4201032311311131
52120212214103
6131153553245
716550000060
oct4116656535
91385086222
10557538653
11266797051
12136875825
138b67c939
14540928d7
1533e31988
hex213b5d5d

557538653 has 8 divisors (see below), whose sum is σ = 664891008. Its totient is φ = 457112304.

The previous prime is 557538643. The next prime is 557538661. The reversal of 557538653 is 356835755.

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

It is not a de Polignac number, because 557538653 - 226 = 490429789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557538598 and 557538607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557538643) 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, 1731326 + ... + 1731647.

It is an arithmetic number, because the mean of its divisors is an integer number (83111376).

Almost surely, 2557538653 is an apocalyptic number.

It is an amenable number.

557538653 is a deficient number, since it is larger than the sum of its proper divisors (107352355).

557538653 is a wasteful number, since it uses less digits than its factorization.

557538653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463003.

The product of its digits is 1890000, while the sum is 47.

The square root of 557538653 is about 23612.2564148368. The cubic root of 557538653 is about 823.0476776611.

The spelling of 557538653 in words is "five hundred fifty-seven million, five hundred thirty-eight thousand, six hundred fifty-three".

Divisors: 1 7 23 161 3462973 24240811 79648379 557538653