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557254000 = 2453278627
BaseRepresentation
bin100001001101110…
…000010101110000
31102211120102210001
4201031300111300
52120124112000
6131143515344
716544403142
oct4115602560
91384512701
10557254000
112666121a6
12136758b54
138b5b01c4
145401ac92
1533dc746a
hex21370570

557254000 has 40 divisors (see below), whose sum is σ = 1347445008. Its totient is φ = 222900800.

The previous prime is 557253989. The next prime is 557254007. The reversal of 557254000 is 452755.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 557254000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557254007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137314 + ... + 141313.

Almost surely, 2557254000 is an apocalyptic number.

557254000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

557254000 is an abundant number, since it is smaller than the sum of its proper divisors (790191008).

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

557254000 is a wasteful number, since it uses less digits than its factorization.

557254000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278650 (or 278634 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 557254000 is about 23606.2279917822. The cubic root of 557254000 is about 822.9075840120.

The spelling of 557254000 in words is "five hundred fifty-seven million, two hundred fifty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 278627 557254 1114508 1393135 2229016 2786270 4458032 5572540 6965675 11145080 13931350 22290160 27862700 34828375 55725400 69656750 111450800 139313500 278627000 557254000