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542458 = 2738747
BaseRepresentation
bin10000100011011111010
31000120010001
42010123322
5114324313
615343214
74416340
oct2043372
91016101
10542458
11340614
12221b0a
1315cba7
14101990
15aaadd
hex846fa

542458 has 8 divisors (see below), whose sum is σ = 929952. Its totient is φ = 232476.

The previous prime is 542447. The next prime is 542461. The reversal of 542458 is 854245.

542458 is nontrivially palindromic in base 9.

542458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 53 + 45 + 47 + 219 + 53 + 83 .

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is a congruent number.

It is an unprimeable number.

542458 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19360 + ... + 19387.

It is an arithmetic number, because the mean of its divisors is an integer number (116244).

2542458 is an apocalyptic number.

542458 is a deficient number, since it is larger than the sum of its proper divisors (387494).

542458 is a wasteful number, since it uses less digits than its factorization.

542458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38756.

The product of its digits is 6400, while the sum is 28.

The square root of 542458 is about 736.5174811232. The cubic root of 542458 is about 81.5558977691. Note that the first 3 decimals are identical.

It can be divided in two parts, 542 and 458, that added together give a cube (1000 = 103).

The spelling of 542458 in words is "five hundred forty-two thousand, four hundred fifty-eight".

Divisors: 1 2 7 14 38747 77494 271229 542458