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552543540 = 22359209059
BaseRepresentation
bin100000111011110…
…010010100110100
31102111201010020120
4200323302110310
52112422343130
6130454531540
716456354053
oct4073622464
91374633216
10552543540
1126399515a
12135066bb0
138a621153
145355239a
1533796910
hex20ef2534

552543540 has 24 divisors (see below), whose sum is σ = 1547122080. Its totient is φ = 147344928.

The previous prime is 552543529. The next prime is 552543547. The reversal of 552543540 is 45345255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552543547) 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, 4604470 + ... + 4604589.

It is an arithmetic number, because the mean of its divisors is an integer number (64463420).

Almost surely, 2552543540 is an apocalyptic number.

It is an amenable number.

552543540 is an abundant number, since it is smaller than the sum of its proper divisors (994578540).

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

552543540 is a wasteful number, since it uses less digits than its factorization.

552543540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9209071 (or 9209069 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 33.

The square root of 552543540 is about 23506.2447022063. The cubic root of 552543540 is about 820.5823446135.

Adding to 552543540 its reverse (45345255), we get a palindrome (597888795).

The spelling of 552543540 in words is "five hundred fifty-two million, five hundred forty-three thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 9209059 18418118 27627177 36836236 46045295 55254354 92090590 110508708 138135885 184181180 276271770 552543540