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557412500 = 2255192347
BaseRepresentation
bin100001001110010…
…111000010010100
31102211212111012102
4201032113002110
52120144200000
6131151141232
716545633221
oct4116270224
91384774172
10557412500
11266710297
12136814818
138b6373a8
145405c948
1533e093d5
hex21397094

557412500 has 72 divisors (see below), whose sum is σ = 1283980320. Its totient is φ = 211140000.

The previous prime is 557412461. The next prime is 557412503. The reversal of 557412500 is 5214755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557412503) 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, 236327 + ... + 238673.

It is an arithmetic number, because the mean of its divisors is an integer number (17833060).

Almost surely, 2557412500 is an apocalyptic number.

557412500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557412500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641990160).

557412500 is an abundant number, since it is smaller than the sum of its proper divisors (726567820).

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

557412500 is a wasteful number, since it uses less digits than its factorization.

557412500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395 (or 2373 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 557412500 is about 23609.5849179946. The cubic root of 557412500 is about 822.9855966046.

The spelling of 557412500 in words is "five hundred fifty-seven million, four hundred twelve thousand, five hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 125 190 250 380 475 500 625 950 1250 1900 2347 2375 2500 3125 4694 4750 6250 9388 9500 11735 11875 12500 23470 23750 44593 46940 47500 58675 59375 89186 117350 118750 178372 222965 234700 237500 293375 445930 586750 891860 1114825 1173500 1466875 2229650 2933750 4459300 5574125 5867500 7334375 11148250 14668750 22296500 27870625 29337500 55741250 111482500 139353125 278706250 557412500