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542784325 = 52157138289
BaseRepresentation
bin100000010110100…
…011101101000101
31101211100022010011
4200112203231011
52102423044300
6125505430221
716310406406
oct4026435505
91354308104
10542784325
11259429996
1213193b371
13885b5075
14521319ad
15329b9eba
hex205a3b45

542784325 has 12 divisors (see below), whose sum is σ = 677344420. Its totient is φ = 431458560.

The previous prime is 542784317. The next prime is 542784349. The reversal of 542784325 is 523487245.

It can be written as a sum of positive squares in 6 ways, for example, as 173889 + 542610436 = 417^2 + 23294^2 .

It is not a de Polignac number, because 542784325 - 23 = 542784317 is a prime.

It is a super-2 number, since 2×5427843252 = 589229646931411250, which contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 65220 + ... + 73069.

Almost surely, 2542784325 is an apocalyptic number.

It is an amenable number.

542784325 is a deficient number, since it is larger than the sum of its proper divisors (134560095).

542784325 is a wasteful number, since it uses less digits than its factorization.

542784325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138456 (or 138451 counting only the distinct ones).

The product of its digits is 268800, while the sum is 40.

The square root of 542784325 is about 23297.7321857729. The cubic root of 542784325 is about 815.7224827824.

The spelling of 542784325 in words is "five hundred forty-two million, seven hundred eighty-four thousand, three hundred twenty-five".

Divisors: 1 5 25 157 785 3925 138289 691445 3457225 21711373 108556865 542784325