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542550973 = 719778779
BaseRepresentation
bin100000010101101…
…010101110111101
31101210220110000111
4200111222232331
52102343112343
6125500430021
716305415156
oct4025525675
91353813014
10542550973
1125928a638
12131848311
1388532aa3
14520b092d
1532970c9d
hex2056abbd

542550973 has 8 divisors (see below), whose sum is σ = 555871680. Its totient is φ = 529388160.

The previous prime is 542550959. The next prime is 542550977. The reversal of 542550973 is 379055245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542550973 - 25 = 542550941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542550977) 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, 32503 + ... + 46276.

It is an arithmetic number, because the mean of its divisors is an integer number (69483960).

Almost surely, 2542550973 is an apocalyptic number.

It is an amenable number.

542550973 is a deficient number, since it is larger than the sum of its proper divisors (13320707).

542550973 is an equidigital number, since it uses as much as digits as its factorization.

542550973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78947.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 542550973 is about 23292.7236063110. The cubic root of 542550973 is about 815.6055684766.

The spelling of 542550973 in words is "five hundred forty-two million, five hundred fifty thousand, nine hundred seventy-three".

Divisors: 1 71 97 6887 78779 5593309 7641563 542550973