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557433020 = 225191466929
BaseRepresentation
bin100001001110011…
…100000010111100
31102211220112100102
4201032130002330
52120200324040
6131151420232
716546050104
oct4116340274
91384815312
10557433020
11266724751
12136824678
138b643831
1454066204
1533e10515
hex2139c0bc

557433020 has 24 divisors (see below), whose sum is σ = 1232221200. Its totient is φ = 211237632.

The previous prime is 557433011. The next prime is 557433047. The reversal of 557433020 is 20334755.

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, 733085 + ... + 733844.

It is an arithmetic number, because the mean of its divisors is an integer number (51342550).

Almost surely, 2557433020 is an apocalyptic number.

It is an amenable number.

557433020 is an abundant number, since it is smaller than the sum of its proper divisors (674788180).

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

557433020 is a wasteful number, since it uses less digits than its factorization.

557433020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466957 (or 1466955 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 557433020 is about 23610.0194832618. The cubic root of 557433020 is about 822.9956953240.

Adding to 557433020 its reverse (20334755), we get a palindrome (577767775).

The spelling of 557433020 in words is "five hundred fifty-seven million, four hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 1466929 2933858 5867716 7334645 14669290 27871651 29338580 55743302 111486604 139358255 278716510 557433020