Search a number
-
+
542830 = 25192857
BaseRepresentation
bin10000100100001101110
31000120121211
42010201232
5114332310
615345034
74420411
oct2044156
91016554
10542830
11340922
1222217a
13160102
14101b78
15aac8a
hex8486e

542830 has 16 divisors (see below), whose sum is σ = 1028880. Its totient is φ = 205632.

The previous prime is 542821. The next prime is 542831. The reversal of 542830 is 38245.

It is a d-powerful number, because it can be written as 55 + 43 + 8 + 213 + 312 + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542831) 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, 1239 + ... + 1618.

It is an arithmetic number, because the mean of its divisors is an integer number (64305).

2542830 is an apocalyptic number.

542830 is a deficient number, since it is larger than the sum of its proper divisors (486050).

542830 is a wasteful number, since it uses less digits than its factorization.

542830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 542830 is about 736.7699776728. The cubic root of 542830 is about 81.5745363006.

The spelling of 542830 in words is "five hundred forty-two thousand, eight hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 2857 5714 14285 28570 54283 108566 271415 542830