Search a number
-
+
42751860 = 2235712531
BaseRepresentation
bin1010001100010…
…1011101110100
32222110000112020
42203011131310
541421024420
64124153140
71026245664
oct243053564
988400466
1042751860
1122150118
12123987b0
138b1b278
14596c1a4
153b47340
hex28c5774

42751860 has 24 divisors (see below), whose sum is σ = 119705376. Its totient is φ = 11400480.

The previous prime is 42751853. The next prime is 42751897. The reversal of 42751860 is 6815724.

42751860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356206 + ... + 356325.

It is an arithmetic number, because the mean of its divisors is an integer number (4987724).

Almost surely, 242751860 is an apocalyptic number.

It is an amenable number.

42751860 is an abundant number, since it is smaller than the sum of its proper divisors (76953516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42751860 is a wasteful number, since it uses less digits than its factorization.

42751860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712543 (or 712541 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 42751860 is about 6538.4906515189. The cubic root of 42751860 is about 349.6646038711.

The spelling of 42751860 in words is "forty-two million, seven hundred fifty-one thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 712531 1425062 2137593 2850124 3562655 4275186 7125310 8550372 10687965 14250620 21375930 42751860