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557505080 = 235112229503
BaseRepresentation
bin100001001110101…
…101101000111000
31102212001012012022
4201032231220320
52120210130310
6131153134012
716546500146
oct4116555070
91385035168
10557505080
11266773900
1213685a308
138b66a582
1454084596
1533e26a55
hex213ada38

557505080 has 96 divisors (see below), whose sum is σ = 1387562400. Its totient is φ = 201442560.

The previous prime is 557505079. The next prime is 557505083. The reversal of 557505080 is 80505755.

It is a self number, because there is not a number n which added to its sum of digits gives 557505080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557505083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1108109 + ... + 1108611.

It is an arithmetic number, because the mean of its divisors is an integer number (14453775).

Almost surely, 2557505080 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 557505080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693781200).

557505080 is an abundant number, since it is smaller than the sum of its proper divisors (830057320).

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

557505080 is a wasteful number, since it uses less digits than its factorization.

557505080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 35.

The square root of 557505080 is about 23611.5454809718. The cubic root of 557505080 is about 823.0311569922.

The spelling of 557505080 in words is "five hundred fifty-seven million, five hundred five thousand, eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 121 220 229 242 440 458 484 503 605 916 968 1006 1145 1210 1832 2012 2290 2420 2515 2519 4024 4580 4840 5030 5038 5533 9160 10060 10076 11066 12595 20120 20152 22132 25190 27665 27709 44264 50380 55330 55418 60863 100760 110660 110836 115187 121726 138545 221320 221672 230374 243452 277090 304315 460748 486904 554180 575935 608630 921496 1108360 1151870 1217260 1267057 2303740 2434520 2534114 4607480 5068228 6335285 10136456 12670570 13937627 25341140 27875254 50682280 55750508 69688135 111501016 139376270 278752540 557505080