Search a number
-
+
542464847 = 1035266649
BaseRepresentation
bin100000010101010…
…101101101001111
31101210202001212122
4200111111231033
52102332333342
6125454523155
716304606111
oct4025255517
91353661778
10542464847
11259230961
121318064bb
1388502822
145208b3b1
15329554d2
hex20555b4f

542464847 has 4 divisors (see below), whose sum is σ = 547731600. Its totient is φ = 537198096.

The previous prime is 542464841. The next prime is 542464859. The reversal of 542464847 is 748464245.

542464847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 542464847 - 24 = 542464831 is a prime.

It is a super-2 number, since 2×5424648472 = 588536220461466818, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542464798 and 542464807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542464841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2633222 + ... + 2633427.

It is an arithmetic number, because the mean of its divisors is an integer number (136932900).

Almost surely, 2542464847 is an apocalyptic number.

542464847 is a deficient number, since it is larger than the sum of its proper divisors (5266753).

542464847 is a wasteful number, since it uses less digits than its factorization.

542464847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5266752.

The product of its digits is 860160, while the sum is 44.

The square root of 542464847 is about 23290.8747581537. The cubic root of 542464847 is about 815.5624090526.

The spelling of 542464847 in words is "five hundred forty-two million, four hundred sixty-four thousand, eight hundred forty-seven".

Divisors: 1 103 5266649 542464847