Search a number
-
+
243701424 = 243211291499
BaseRepresentation
bin11101000011010…
…01011010110000
3121222120022111200
432201221122300
5444341421144
640103211200
76016266531
oct1641513260
9558508450
10243701424
1111562153a
1269746b00
133b648835
142451a688
15165dcc69
hexe8696b0

243701424 has 60 divisors (see below), whose sum is σ = 683085000. Its totient is φ = 81107712.

The previous prime is 243701389. The next prime is 243701431. The reversal of 243701424 is 424107342.

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 11 ways as a sum of consecutive naturals, for example, 161827 + ... + 163325.

It is an arithmetic number, because the mean of its divisors is an integer number (11384750).

Almost surely, 2243701424 is an apocalyptic number.

243701424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243701424 is an abundant number, since it is smaller than the sum of its proper divisors (439383576).

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

243701424 is a wasteful number, since it uses less digits than its factorization.

243701424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642 (or 2633 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 243701424 is about 15610.9392414422. The cubic root of 243701424 is about 624.6249901799.

Adding to 243701424 its reverse (424107342), we get a palindrome (667808766).

The spelling of 243701424 in words is "two hundred forty-three million, seven hundred one thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 1129 1499 2258 2998 3387 4497 4516 5996 6774 8994 9032 10161 11992 13491 13548 17988 18064 20322 23984 26982 27096 35976 40644 53964 54192 71952 81288 107928 162576 215856 1692371 3384742 5077113 6769484 10154226 13538968 15231339 20308452 27077936 30462678 40616904 60925356 81233808 121850712 243701424