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542646325 = 52132128437
BaseRepresentation
bin100000010110000…
…010000000110101
31101211002021211001
4200112002000311
52102404140300
6125502443301
716306263154
oct4026020065
91354067731
10542646325
11259345241
12131893531
1388567300
14520d759b
153298e16a
hex20582035

542646325 has 18 divisors (see below), whose sum is σ = 728628774. Its totient is φ = 400720320.

The previous prime is 542646311. The next prime is 542646343. The reversal of 542646325 is 523646245.

542646325 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 483032484 + 59613841 = 21978^2 + 7721^2 .

It is not a de Polignac number, because 542646325 - 225 = 509091893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 59994 + ... + 68443.

Almost surely, 2542646325 is an apocalyptic number.

It is an amenable number.

542646325 is a deficient number, since it is larger than the sum of its proper divisors (185982449).

542646325 is a wasteful number, since it uses less digits than its factorization.

542646325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128473 (or 128455 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

The square root of 542646325 is about 23294.7703358501. The cubic root of 542646325 is about 815.6533459025.

The spelling of 542646325 in words is "five hundred forty-two million, six hundred forty-six thousand, three hundred twenty-five".

Divisors: 1 5 13 25 65 169 325 845 4225 128437 642185 1669681 3210925 8348405 21705853 41742025 108529265 542646325