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557411232 = 25371759827
BaseRepresentation
bin100001001110010…
…110101110100000
31102211212102110110
4201032112232200
52120144124412
6131151131320
716545626430
oct4116265640
91384772413
10557411232
1126670a344
12136813b40
138b636941
145405c2c0
1533e08d3c
hex21396ba0

557411232 has 192 divisors, whose sum is σ = 1802787840. Its totient is φ = 147173376.

The previous prime is 557411207. The next prime is 557411243. The reversal of 557411232 is 232114755.

It is a self number, because there is not a number n which added to its sum of digits gives 557411232.

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 31 ways as a sum of consecutive naturals, for example, 673603 + ... + 674429.

It is an arithmetic number, because the mean of its divisors is an integer number (9389520).

Almost surely, 2557411232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557411232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901393920).

557411232 is an abundant number, since it is smaller than the sum of its proper divisors (1245376608).

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

557411232 is a wasteful number, since it uses less digits than its factorization.

557411232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 915 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 557411232 is about 23609.5580644789. The cubic root of 557411232 is about 822.9849725625.

Adding to 557411232 its reverse (232114755), we get a palindrome (789525987).

The spelling of 557411232 in words is "five hundred fifty-seven million, four hundred eleven thousand, two hundred thirty-two".