Search a number
-
+
241223240 = 23519317399
BaseRepresentation
bin11100110000011…
…00011001001000
3121210220102002002
432120030121020
5443223120430
635534130132
75656235516
oct1630143110
9553812062
10241223240
11114189655
1268950948
133ac8b85b
14240734b6
151629d845
hexe60c648

241223240 has 32 divisors (see below), whose sum is σ = 571320000. Its totient is φ = 91410624.

The previous prime is 241223233. The next prime is 241223243. The reversal of 241223240 is 42322142.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (241223243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157940 + ... + 159459.

It is an arithmetic number, because the mean of its divisors is an integer number (17853750).

Almost surely, 2241223240 is an apocalyptic number.

241223240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241223240 is an abundant number, since it is smaller than the sum of its proper divisors (330096760).

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

241223240 is a wasteful number, since it uses less digits than its factorization.

241223240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317429 (or 317425 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 241223240 is about 15531.3631082400. The cubic root of 241223240 is about 622.5005155827.

Adding to 241223240 its reverse (42322142), we get a palindrome (283545382).

It can be divided in two parts, 2412 and 23240, that added together give a palindrome (25652).

The spelling of 241223240 in words is "two hundred forty-one million, two hundred twenty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 317399 634798 1269596 1586995 2539192 3173990 6030581 6347980 12061162 12695960 24122324 30152905 48244648 60305810 120611620 241223240