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542845147 = 13255116369
BaseRepresentation
bin100000010110110…
…010100011011011
31101211110101112211
4200112302203123
52102432021042
6125511015551
716311051625
oct4026624333
91354411484
10542845147
11259470659
1213196a5b7
1388606960
1452149c15
15329cd017
hex205b28db

542845147 has 8 divisors (see below), whose sum is σ = 584867360. Its totient is φ = 500860800.

The previous prime is 542845129. The next prime is 542845153. The reversal of 542845147 is 741548245.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-542845147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542840147) 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, 24979 + ... + 41347.

It is an arithmetic number, because the mean of its divisors is an integer number (73108420).

Almost surely, 2542845147 is an apocalyptic number.

542845147 is a deficient number, since it is larger than the sum of its proper divisors (42022213).

542845147 is a wasteful number, since it uses less digits than its factorization.

542845147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18933.

The product of its digits is 179200, while the sum is 40.

The square root of 542845147 is about 23299.0374693892. The cubic root of 542845147 is about 815.7529503902.

The spelling of 542845147 in words is "five hundred forty-two million, eight hundred forty-five thousand, one hundred forty-seven".

Divisors: 1 13 2551 16369 33163 212797 41757319 542845147