Search a number
-
+
442040270 = 25724122003
BaseRepresentation
bin11010010110001…
…111111111001110
31010210202222020212
4122112033333032
51401130242040
6111510242422
713645165100
oct3226177716
91123688225
10442040270
1120757a441
12104056412
13707709b9
14429c9570
1528c19d65
hex1a58ffce

442040270 has 48 divisors (see below), whose sum is σ = 948196368. Its totient is φ = 147853440.

The previous prime is 442040267. The next prime is 442040279. The reversal of 442040270 is 72040244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442040279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9089 + ... + 31091.

It is an arithmetic number, because the mean of its divisors is an integer number (19754091).

Almost surely, 2442040270 is an apocalyptic number.

442040270 is an abundant number, since it is smaller than the sum of its proper divisors (506156098).

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

442040270 is a wasteful number, since it uses less digits than its factorization.

442040270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22065 (or 22058 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 442040270 is about 21024.7537440989. The cubic root of 442040270 is about 761.7642933297.

The spelling of 442040270 in words is "four hundred forty-two million, forty thousand, two hundred seventy".

Divisors: 1 2 5 7 10 14 35 41 49 70 82 98 205 245 287 410 490 574 1435 2009 2870 4018 10045 20090 22003 44006 110015 154021 220030 308042 770105 902123 1078147 1540210 1804246 2156294 4510615 5390735 6314861 9021230 10781470 12629722 31574305 44204027 63148610 88408054 221020135 442040270