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552428740 = 22543642359
BaseRepresentation
bin100000111011010…
…110010011000100
31102111111021202201
4200323112103010
52112410204430
6130452244244
716455365263
oct4073262304
91374437681
10552428740
11263916986
12135010684
138a5b0b16
14535225da
15337728ca
hex20ed64c4

552428740 has 24 divisors (see below), whose sum is σ = 1187081280. Its totient is φ = 215832288.

The previous prime is 552428731. The next prime is 552428813. The reversal of 552428740 is 47824255.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 552428740.

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, 320320 + ... + 322039.

It is an arithmetic number, because the mean of its divisors is an integer number (49461720).

Almost surely, 2552428740 is an apocalyptic number.

It is an amenable number.

552428740 is an abundant number, since it is smaller than the sum of its proper divisors (634652540).

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

552428740 is a wasteful number, since it uses less digits than its factorization.

552428740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642411 (or 642409 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 552428740 is about 23503.8026710573. The cubic root of 552428740 is about 820.5255108552.

The spelling of 552428740 in words is "five hundred fifty-two million, four hundred twenty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 642359 1284718 2569436 3211795 6423590 12847180 27621437 55242874 110485748 138107185 276214370 552428740